| 2023-04-11 | Consider the following case of competing first order reactions.
&nbs... | 4:35 | 0 | |
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| 2023-04-11 | For a reaction \( 2 \mathrm{NH}_{3} \longrightarrow \mathrm{N}_{2}+3 \mathrm{H}_{2} \), it is ob... | 3:33 | 5 | |
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| 2023-04-11 | For a \( 1^{\text {st }} \) order decomposition,
img src=https://penpencil-static-content.s3.ap-... | 1:33 | 2 | |
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| 2023-04-11 | A substance undergoes first order decomposition. The decomposition follows two parallel first or... | 3:11 | 1 | |
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| 2023-04-11 | The hypothetical reaction, \( \mathrm{A}_{2}+\mathrm{B}_{2} \rightarrow 2 \mathrm{AB} \), follow... | 4:09 | 3 | |
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| 2023-04-11 | Two reactions \( A \rightarrow \) Products and \( B \rightarrow \) Products, have rate constant ... | 4:14 | 2 | |
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| 2023-04-11 | From the following data, the activation energy for the reaction \( (\mathrm{cal} / \mathrm{mol})... | 3:12 | 1 | |
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| 2023-04-11 | In gaseous reactions, important for the understanding of the upper atmosphere \( \mathrm{H}_{2} ... | 2:21 | 0 | |
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| 2023-04-11 | Give that \( \mathrm{k} \) is the rate constant for some order of any reaction at temp. \( T \),... | 1:02 | 0 | |
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| 2023-04-11 | The rate constant of a reaction does not depend upon
(A) temperature
(B) activation energy
(C) c... | 1:08 | 0 | |
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| 2023-04-11 | The correct expression for Arrhenius equation containing effect of temperature on the rate const... | 7:02 | 3 | |
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| 2023-04-11 | Consider the following statements
(i) increases in concentration of reactant increases the rate ... | 2:21 | 8 | |
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| 2023-04-11 | The velocity of a reaction is doubled for every \( 10^{\circ} \mathrm{C} \) rise in temperature.... | 2:18 | 2 | |
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| 2023-04-11 | According to Arrhenius equation, rate constant of a chemical reaction is equal to | 0:32 | 0 | |
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| 2023-04-11 | Consider the endothermic reaction \( \mathrm{X} \rightarrow \mathrm{Y} \) with the activation en... | 3:12 | 3 | |
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| 2023-04-11 | The temperature coefficient of most of the reactions lies between | 0:57 | 2 | |
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| 2023-04-11 | The temperature coefficient of a reaction is: | 1:11 | 3 | |
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| 2023-04-11 | Threshold can never be
(A) \( >\mathrm{E}_{\mathrm{R}} \)
(B) \( >\mathrm{Ep} \)
(C) \( &l... | 2:15 | 0 | |
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| 2023-04-11 | For a gaseous reaction, following data is given
math class=wrs_chemistry xmlns=http://www.w3.org... | 2:12 | 0 | |
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| 2023-04-11 | For first order reaction if rate constant at \( 17^{\circ} \mathrm{C} \) is \( 2.8 \) \( \times ... | 4:16 | 4 | |
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| 2023-04-11 | According to collision theory of reaction rates
(A) every collision between reactant molecules l... | 5:15 | 5 | |
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| 2023-04-11 | The activation energy of a reaction is zero. The rate constant of the reaction
(A) increases wit... | 4:22 | 2 | |
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| 2023-04-11 | For a reaction \( \mathrm{E}_{\mathrm{a}}=0 \) and \( \mathrm{k}=3.2 \times 10^{4} \mathrm{~s}^{... | 1:25 | 6 | |
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| 2023-04-11 | In a reaction, the threshold energy is equal to | 1:56 | 3 | |
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| 2023-04-11 | Which of the following has been used to explain the subject of chemical kinetics? | 0:44 | 4 | |
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| 2023-04-11 | Following is the graph between \( (a-x)^{-1} \) and time \( t \) for second order reaction. \( \... | 4:36 | 13 | |
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| 2023-04-11 | According to collision theory
(A) all collisions are sufficiently violent
(B) all collisions are... | 1:10 | 6 | |
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| 2023-04-11 | Time required to decompose half of the substance for \( \mathrm{n}^{\text {th }} \) order reacti... | 3:49 | 0 | |
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| 2023-04-11 | What is the order of the reaction which obeys the expression \( \mathrm{t}_{1 / 2}=\frac{1}{\mat... | 1:03 | 4 | |
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| 2023-04-11 | The rates of a certain reaction at different times are as follows:
Time(s): ma... | 1:20 | 0 | |
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| 2023-04-11 | A substance decomposes having rate constant \( 6.8 \times 10^{-2} \) math xmlns=http://www.w3.or... | 2:52 | 2 | |
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| 2023-04-11 | A first order reaction takes math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn... | 5:33 | 10 | |
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| 2023-04-11 | For a zero order reaction | 0:45 | 7 | |
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| 2023-04-11 | A first order reaction is carried out starting with math xmlns=http://www.w3.org/1998/Math/MathM... | 5:23 | 15 | |
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| 2023-04-11 | A graph plotted between \( \log \mathrm{t}_{50 \%} \) vs. \( \log \) math xmlns=http://www.w3.or... | 1:36 | 5 | Vlog |
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| 2023-04-11 | The rate of a gaseous reaction is generally expressed in terms of \( \mathrm{dp} / \mathrm{dt} \... | 3:13 | 1 | |
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| 2023-04-11 | For a reaction \( \frac{\mathrm{dx}}{\mathrm{dt}}=\mathrm{k}\left[\mathrm{H}^{+}\right]^{\mathrm... | 3:07 | 1 | |
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| 2023-04-11 | If concentrations are measured in math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemis... | 1:11 | 3 | |
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| 2023-04-11 | The following data are for the decomposition of ammonium nitrite in aqueous solution:
img title=... | 4:09 | 2 | |
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| 2023-04-11 | If \( 8.0 \mathrm{~g} \) of a radioactive isotope has a half-life period of math xmlns=http://ww... | 1:08 | 0 | |
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| 2023-04-11 | The half-life of a first order reaction is math xmlns=http://www.w3.org/1998/Math/MathML class=w... | 2:42 | 2 | |
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| 2023-04-11 | Calculate the order of the reaction in \( \mathrm{A} \) and \( \mathrm{B} \).
img title=Screensh... | 4:23 | 0 | |
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| 2023-04-11 | In the first order reaction, the concentration of reactant decreases from \( 1.0 \mathrm{M} \) t... | 2:23 | 0 | |
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| 2023-04-11 | Which of the following curves represents a first order reaction? | 1:02 | 3 | |
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| 2023-04-11 | Two substances \( \mathrm{A} \) and \( \mathrm{B} \) are present such that \( [\mathrm{A}]_{0}= ... | 6:48 | 8 | |
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| 2023-04-11 | Which of the following curves represents a first order reaction? | 1:02 | 16 | |
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| 2023-04-11 | The integrated rate equation is \( \mathrm{Rt}=\log \mathrm{C}_{0}-\log \mathrm{C}_{\mathrm{t}} ... | 2:11 | 0 | Vlog |
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| 2023-04-11 | It takes math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn10/mnmo /momimi... | 1:07 | 1 | |
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| 2023-04-11 | Units of rate constant of first and zero order reactions in terms of molarity math xmlns=http://... | 1:29 | 1 | |
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| 2023-04-11 | Diazonium salt decomposes as
math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistryms... | 2:24 | 0 | |
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| 2023-04-11 | math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymi mathvariant=normalk/mi/math ... | 1:52 | 1 | |
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| 2023-04-11 | For a first order reaction, | 3:20 | 7 | |
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| 2023-04-11 | Which of the following is a first order reaction? | 1:08 | 12 | |
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| 2023-04-11 | The inversion of cane sugar is represented by \( \mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}... | 2:54 | 5 | |
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| 2023-04-11 | The units of rate constant and rate of a reaction are identical for
(A) zero order reaction.
(B)... | 1:04 | 2 | |
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| 2023-04-11 | The rate of reaction between \( \mathrm{A} \) and \( \mathrm{B} \) increases by a factor of math... | 3:04 | 0 | |
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| 2023-04-11 | The rate of the reaction, \( \mathrm{A}+\mathrm{B}+\mathrm{C} \rightarrow \) Products, is given ... | 2:08 | 2 | |
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| 2023-04-11 | For a reaction, \( 2 \mathrm{~A}+\mathrm{B} \rightarrow \mathrm{C}+\mathrm{D} \), the concentrat... | 3:34 | 3 | |
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| 2023-04-11 | For the reaction, \( 2 \mathrm{NO} \rightarrow \mathrm{N}_{2}+\mathrm{O}_{2} \), the expression ... | 7:29 | 1 | |
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| 2023-04-11 | A reaction proceeds in three stages. The first stage is slow and involves two molecules of react... | 3:25 | 1 | |
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| 2023-04-11 | Rate expression of a chemical change is \( -\frac{\mathrm{dx}}{\mathrm{dt}}= \) \( \mathrm{k}[\m... | 1:45 | 3 | |
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| 2023-04-11 | Which statement about molecularity of reaction is not correct? | 4:25 | 1 | |
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| 2023-04-11 | The ionic conductivity of \( \mathrm{H}^{+} \)and \( \mathrm{OH}^{-} \)at \( 298 \mathrm{~K} \) ... | 1:57 | 0 | |
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| 2023-04-11 | The reaction, \( \mathrm{A}(\mathrm{g})+2 \mathrm{~B}(\mathrm{~g}) \rightarrow \mathrm{C}(\mathr... | 4:05 | 1 | |
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| 2023-04-11 | In a reaction, the concentration of a reactant changes from \( 0.2 \mathrm{~mole}^{-1} \) to \( ... | 2:40 | 2 | |
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| 2023-04-11 | In the cell
math xmlns=http://www.w3.org/1998/Math/MathMLmiZn/mimfenced open=| close=|mrowmsupmi... | 1:32 | 5 | |
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| 2023-04-11 | For the reaction: \( \mathrm{H}_{2}(\mathrm{~g})+\mathrm{I}_{2}(\mathrm{~g}) \rightarrow 2 \math... | 5:46 | 4 | |
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| 2023-04-11 | For the reaction, \( \mathrm{A}+\mathrm{B} \rightarrow 2 \mathrm{C}+\mathrm{D} \), which one is ... | 5:29 | 2 | |
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| 2023-04-11 | In a reaction, the concentration of a reactant changes from \( 0.2 \mathrm{~mole}^{-1} \) to \( ... | 2:40 | 0 | |
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| 2023-04-11 | The term \( -\frac{d x}{d t} \) in the rate expression refers to the | 2:46 | 3 | |
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| 2023-04-11 | For the reaction, \( \mathrm{N}_{2}+3 \mathrm{H}_{2} \rightarrow 2 \mathrm{NH}_{3} \), rate is e... | 3:20 | 6 | |
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| 2023-04-11 | Assume that impure copper contains only math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_... | 7:29 | 13 | |
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| 2023-04-11 | The rate of a chemical reaction
(A) increases as the reaction proceeds
(B) decreases as the reac... | 3:05 | 3 | |
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| 2023-04-11 | math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymi mathvariant=normalE/mimo./mo... | 4:29 | 7 | |
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| 2023-04-11 | \( \mathrm{E}_{\text {cell }}^{\mathrm{o}} \) for reaction, \( 4 \mathrm{Al}(\mathrm{s})+3 \math... | 5:25 | 6 | |
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| 2023-04-11 | Copper sulphate solution \( (250 \mathrm{~mL}) \) was electrolysed using a platinum anode and a ... | 3:39 | 5 | Let's Play |
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| 2023-04-11 | A constant current was flown for math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemist... | 3:37 | 0 | |
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| 2023-04-11 | A current of \( 1.70 \mathrm{~A} \) is passed through \( 300 \mathrm{~mL} \) of \( 0.160 \mathrm... | 3:36 | 1 | |
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| 2023-04-11 | A galvanic cell is set up from a zinc bar weighing \( 100 \mathrm{~g} \) and \( 1.0 \mathrm{~L} ... | 4:02 | 9 | |
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| 2023-04-11 | Three faradays of electricity is passed through molten \( \mathrm{Al}_{2} \mathrm{O}_{3} \), aqu... | 1:59 | 0 | |
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| 2023-04-11 | The same quantity of electricity is passed through one molar solution of \( \mathrm{H}_{2} \math... | 2:38 | 3 | |
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| 2023-04-11 | In the electrolysis of acidified \( \mathrm{AgNO}_{3} \) solution using math xmlns=http://www.w3... | 2:33 | 5 | |
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| 2023-04-11 | On passing electricity through dilute math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_ch... | 2:08 | 2 | |
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| 2023-04-11 | The current efficiency of an electrodeposition of copper metal in which \( 9.8 \mathrm{~g} \) of... | 3:17 | 1 | |
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| 2023-04-11 | The electrochemical equivalents of two substances are math xmlns=http://www.w3.org/1998/Math/Mat... | 1:14 | 4 | |
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| 2023-04-11 | Using same quantity of current, which among \( \mathrm{Na} \), \( \mathrm{Mg} \) and \( \mathrm{... | 2:08 | 1 | |
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| 2023-04-11 | A certain current liberated \( 0.50 \mathrm{~g} \) of hydrogen in math xmlns=http://www.w3.org/1... | 2:31 | 1 | |
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| 2023-04-11 | In the electrolytic cell, flow of electrons is from | 1:51 | 0 | |
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| 2023-04-11 | If mercury is used as a cathode during the electrolysis of an aqueous math xmlns=http://www.w3.o... | 2:08 | 2 | |
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| 2023-04-11 | At \( 300 \mathrm{~K}, \Delta \mathrm{H} \) for the reaction \( \mathrm{Zn}(\mathrm{s})+\mathrm{... | 4:15 | 0 | |
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| 2023-04-11 | Which process occurs in the electrolysis of an aqueous solution of nickel chloride at nickel ano... | 0:49 | 1 | |
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| 2023-04-11 | STATEMENT-1: \( \mathrm{E}_{\text {cell }}^{0} \) is negative for electrolytic cell.
STATEMENT-2... | 1:35 | 2 | |
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| 2023-04-11 | Statement-1: The math class=wrs_chemistry xmlns=http://www.w3.org/1998/Math/MathMLmiSRP/mi/matho... | 1:52 | 2 | |
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| 2023-04-11 | Two weak acid solutions \( \mathrm{HA}_{1} \) and \( \mathrm{HA}_{2} \) each with the same conce... | 6:13 | 36 | |
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| 2023-04-11 | The temperature coefficient of the e.m.f of cell, \( \left(\frac{\mathrm{dE}}{\mathrm{dT}}\right... | 0:41 | 0 | |
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| 2023-04-11 | For a cell reaction \( 2 \mathrm{H}_{2}(\mathrm{~g})+\mathrm{O}_{2}(\mathrm{~g}) \longrightarrow... | 2:03 | 6 | |
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| 2023-04-11 | The temperature coefficient of a cell whose operation is based on the reaction math xmlns=http:/... | 1:06 | 6 | |
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| 2023-04-11 | Use the following standard electrode potentials, calculate \( \Delta \mathrm{G}^{\circ} \) in \(... | 2:26 | 0 | |
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| 2023-04-11 | The \( \mathrm{E}^{\circ} \) at \( 25^{\circ} \mathrm{C} \) for the following reaction is \( 0.5... | 2:18 | 5 | |
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| 2023-04-11 | The element which can displace three other halogens from their compounds is: | 0:34 | 5 | Vlog |
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