| 2024-09-23 | ∆S for freezing of 10 g of H2O(l) (enthalpy of fusion is 80 cal/g) at 0deg;C and 1 atm is;.... | 0:00 | 9 | |
|
| 2024-09-23 | Compound having maximum bond angle is:.... | 0:00 | 1 | |
|
| 2024-09-23 | In the presence of iron catalyst, benzene reacts with chlorine to form;.... | 0:00 | 0 | |
|
| 2024-09-23 | Mohrrsquo;s saltrsquo;s is;.... | 0:00 | 1 | |
|
| 2024-09-23 | Which one of the following on treatment with 50% aq. NaOH yields the corresponding alcohol and a.... | 0:00 | 0 | |
|
| 2024-09-23 | For the reaction, 2SO2 + O2#160;#8652;#160;2SO3, the rate of disappearance of O2 is 2 #215; 10-4.... | 0:00 | 4 | |
|
| 2024-09-23 | Assertion : Addition of silver ions to a mixture of aqueous sodium chloride and sodium bromide s.... | 0:00 | 0 | |
|
| 2024-09-23 | Statement-1: The homologue of ethyne is:C3H4.\nStatement-II: The general formula of alkyne is Cn.... | 0:00 | 1 | |
|
| 2024-09-23 | Assertion: The boiling points of aldehydes and ketones are higher than hydrocarbons and ethers o.... | 0:00 | 3 | |
|
| 2024-09-23 | It takes 15 minutes for the concentration of a radioactive species to decay to its 1/8th value o.... | 0:00 | 7 | |
|
| 2024-09-23 | .... | 0:00 | 0 | |
|
| 2024-09-23 | Which one of the following is the correct representation of tripeptide i.e. (alanine-glycine-ala.... | 0:00 | 3 | |
|
| 2024-09-23 | Which of the following statement is correct?.... | 0:00 | 1 | |
|
| 2024-09-23 | .... | 0:00 | 1 | |
|
| 2024-09-23 | \nSum of chiral centers (a + b =?) is:.... | 0:00 | 0 | |
|
| 2024-09-23 | Which one of the following reagent will convert acetamide to ethamine?.... | 0:00 | 1 | |
|
| 2024-09-23 | Assertion: Every moving particle has wave properties.\nReason: The wave properties of moving mac.... | 0:00 | 1 | |
|
| 2024-09-23 | Which of the following is an amphoteric oxide?.... | 0:00 | 0 | |
|
| 2024-09-23 | For the reaction A rarr; B, the rate of reaction is quadrupled when the concentration of A is do.... | 0:00 | 4 | |
|
| 2024-09-23 | The electronegativity difference between N and F is greater than that between N and H yet the di.... | 0:00 | 1 | |
|
| 2024-09-23 | The (spin only) magnetic moment order is correctly given in.... | 0:00 | 3 | |
|
| 2024-09-23 | Arrange the following elements in the increasing order of EA.\nNa, Al, Si, P, S.... | 0:00 | 1 | |
|
| 2024-09-23 | For an elementary reaction 2A #8652;k2k1B. The rate of disappearance of A is equal to.... | 0:00 | 1 | |
|
| 2024-09-23 | For a process to be spontaneous at constant T and P;.... | 0:00 | 0 | |
|
| 2024-09-23 | Consider the following statements.\nStatement-I : The order of a reaction can have fractional va.... | 0:00 | 0 | |
|
| 2024-09-23 | The elements with given atomic numbers that belong to the group number 15 of the modern periodic.... | 0:00 | 3 | |
|
| 2024-09-23 | For which of these processes is the value of ∆S negative?I. Sugar is dissolved in water.II. Stea.... | 0:00 | 3 | |
|
| 2024-09-23 | A strong base can abstract an alpha;- hydrogen from.... | 0:00 | 0 | |
|
| 2024-09-23 | Which of the following is an incorrect representation of the order of a reaction?.... | 0:00 | 5 | |
|
| 2024-09-23 | Which of the following groups follows Dobereinerrsquo;s law of triads?.... | 0:00 | 0 | |
|
| 2024-09-23 | For vaporisation of water at 1 atmospheric pressure, the values of #8710;H and #8710;S are 40.63.... | 0:00 | 0 | |
|
| 2024-09-23 | Which one is a wrong statement?.... | 0:00 | 1 | |
|
| 2024-09-23 | The value of electronegativity of atom A and B are 1.20 and 4.0 respectively. The percentage of .... | 0:00 | 3 | |
|
| 2024-09-23 | Which of the following is liquid at room temperature?.... | 0:00 | 0 | |
|
| 2024-09-23 | The freezing point of 0.2 M HA acid is ndash;0.558deg;C. The dissociation constant of acid is\n(.... | 0:00 | 2 | |
|
| 2024-09-23 | Assertion (A) : A catalyst always increases the rate of a reaction.\n Reason (R): A catalyst for.... | 0:00 | 3 | |
|
| 2024-09-23 | Which of the following can have only 2 plane of symmetry:-.... | 0:00 | 5 | |
|
| 2024-09-23 | Match the columns:\n\n\n\nColumn I\nColumn II\n\n\n(A)\n\nFor the equilibrium\nNH4l(s) #8652; NH.... | 0:00 | 4 | |
|
| 2024-09-23 | When SO2 is passed into an acidified potassium dichromate solution, the oxidation numbers of sul.... | 0:00 | 5 | |
|
| 2024-09-23 | Which of the following statement is incorrect?.... | 0:00 | 0 | |
|
| 2024-09-23 | In which of the given all the ppi;-ppi;bond exist in a same plane?.... | 0:00 | 0 | |
|
| 2024-09-23 | {"english":"Given\nHF+H2O#8594;KaH3O++F#8722;F#8722;+H2O#8594;KbHF+OH#8722;\nWhich of the follow.... | 0:00 | 1 | |
|
| 2024-09-23 | In which of the following the oxidation number of oxygen has been arranged in increasing order:.... | 0:00 | 2 | |
|
| 2024-09-23 | \\( \\mathrm{p}, \\mathrm{s} \\) and \\( \\mathrm{t} \\)-alcohols can be distinguished by.... | 0:00 | 1 | |
|
| 2024-09-23 | The t1/2 of first order reaction is 10 min. Starting with 100 g of the reactant, the amount rema.... | 0:00 | 4 | |
|
| 2024-09-23 | .... | 0:00 | 0 | |
|
| 2024-09-23 | The osmotic pressure of a solution containing 1.71 g of sucrose (mol. wt. 348) dissolved to make.... | 0:00 | 6 | |
|
| 2024-09-23 | The formation of the oxide ion require first an exothermic and then, an endothermic step as show.... | 0:00 | 2 | |
|
| 2024-09-23 | The half-life of a second order reaction, 2A rarr;products, is:.... | 0:00 | 0 | |
|
| 2024-09-23 | The absolute configuration of\nis:.... | 0:00 | 0 | |
|
| 2024-09-23 | When mercuric iodide is added to the aqueous solution of potassium iodide, the;.... | 0:00 | 0 | |
|
| 2024-09-23 | The correct order of Zeff in given ions;.... | 0:00 | 1 | |
|
| 2024-09-23 | Which of the following is a state function?.... | 0:00 | 0 | |
|
| 2024-09-23 | The activation energy for a simple chemical reaction A-B is Ea in forward direction. The activat.... | 0:00 | 1 | |
|
| 2024-09-23 | Which of the following concentration units is independent of temperature?.... | 0:00 | 1 | |
|
| 2024-09-23 | Water is well known amphoprotic solvent. In which chemical reaction water is behaving as a base?.... | 0:00 | 1 | |
|
| 2024-09-23 | The measurement of the electron position is associated with an uncertainty in momentum, which is.... | 0:00 | 0 | |
|
| 2024-09-23 | In a reaction, 2X + Y rarr; X2Y, the X disappears at.... | 0:00 | 6 | |
|
| 2024-09-23 | According to the International Union for Conservation of Nature and Natural Resources (IUCN) (20.... | 0:00 | 1 | |
|
| 2024-09-23 | What is the order of the reaction which obeys the expression t1/2=1ka?.... | 0:00 | 1 | |
|
| 2024-09-23 | The number of angular nodes in px-orbital is:.... | 0:00 | 1 | |
|
| 2024-09-23 | Which one of the following is not the characteristic of Planck's quantum theory of radiation?.... | 0:00 | 0 | |
|
| 2024-09-23 | Match List-I with List-II to find out the correct option.\n\n\n\n\nList-I\n\n\nList-II\n\n\n\n\n.... | 0:00 | 0 | |
|
| 2024-09-23 | Assertion (A): Decrease in free energy causes spontaneous reaction.\nReason (R): Spontaneous rea.... | 0:00 | 2 | |
|
| 2024-09-23 | The Bohr orbit radius for the hydrogen atom (n = 1) is approximately0.530A#8728;. The radius for.... | 0:00 | 0 | |
|
| 2024-09-23 | The azeotropic mixture of water (B.P 100deg;C) and HCl (B.P. 85deg;C) boils at 108.5deg;C. When .... | 0:00 | 3 | |
|
| 2024-09-23 | Assertion (A): India has a greater ecosystem diversity than a Scandinavian country like Norway.\.... | 0:00 | 0 | |
|
| 2024-09-23 | The amount of heat released, when 20 mL of 0.5 M NaOH is mixed with 100 mL of 0.1 M HCl, is x kJ.... | 0:00 | 12 | |
|
| 2024-09-23 | Statement-1: Vapour pressure decreases when Toluene is added to benzene.\nStatement-2: Vapour pr.... | 0:00 | 0 | | Vapour
|
| 2024-09-23 | The limiting molar conductivities of HCl, NaCl, sodium crotonate (NaC) are 426, 126, 83 S cmsup2.... | 0:00 | 0 | |
|
| 2024-09-23 | Path of energy flow in an ecosystem is;.... | 0:00 | 1 | |
|
| 2024-09-23 | Assertion (A) : p-orbital is dumb-bell shaped.\nReason (R) : Electron present in p-orbital can h.... | 0:00 | 2 | |
|
| 2024-09-23 | Equal volume of 1 M urea(aq) and 1 M NaCl(aq) are placed in opposite sides of a U-tube, separate.... | 0:00 | 3 | |
|
| 2024-09-23 | Which of the following reactions is not a redox reaction?.... | 0:00 | 0 | |
|
| 2024-09-23 | The detritus food chain (DFC) begins with;.... | 0:00 | 2 | |
|
| 2024-09-23 | Which of the following sets of quantum numbers represents the highest energy of an atom?.... | 0:00 | 1 | |
|
| 2024-09-23 | Assertion (A) : The cell potential of mercury cell is 1.35 V, which remains constant.Reason (R):.... | 0:00 | 3 | |
|
| 2024-09-23 | Assertion : The empirical mass of ethene is half of its molecular mass.\nReason: The empirical f.... | 0:00 | 5 | |
|
| 2024-09-23 | Which of the following is a mismatch pair?.... | 0:00 | 1 | |
|
| 2024-09-23 | A light whose frequency is equal to6times;1014 Hz is incident on a metal whose work function is2.... | 0:00 | 0 | |
|
| 2024-09-23 | Assertion (A):If an aqueous solution of NaCl is electrolysed, the product obtained at the cathod.... | 0:00 | 7 | |
|
| 2024-09-23 | Number of grams of oxygen in 32.2 g Na2SO4.10#160;H2O#160;is:.... | 0:00 | 5 | |
|
| 2024-09-23 | _________ a parasitic plant that is commonly found growing on hedge plants, has lost its chlorop.... | 0:00 | 0 | |
|
| 2024-09-23 | A 0.040 M solution of each of the following compound is prepared which solution would you expect.... | 0:00 | 3 | |
|
| 2024-09-23 | For the reduction of silver ions with copper metals, the standard cell potential was found to be.... | 0:00 | 6 | |
|
| 2024-09-23 | Match the following physical quantities with their units and choose the correct codes from the o.... | 0:00 | 4 | |
|
| 2024-09-23 | Statement-I: Trichoderma species are free-living fungi that are very common in the root ecosyste.... | 0:00 | 2 | |
|
| 2024-09-23 | Assertion (A) : The ratio of specific conductance to the observed conductance does not depend up.... | 0:00 | 0 | |
|
| 2024-09-23 | Match the following:\n\n\n\n\nColumn ndash; I\n(Underline Compound)\n\n\nColumn ndash; II\n(Equi.... | 0:00 | 4 | |
|
| 2024-09-23 | The relationship between osmotic pressure of equimolar solutions of KCl, Ca(NO3)2 and Na2SO4 is .... | 0:00 | 1 | |
|
| 2024-09-23 | Yeast, is used for fermenting malted cereals and fruit juices, to produce ethanol. Select the pr.... | 0:00 | 1 | |
|
| 2024-09-23 | For half reaction\nMnO4minus;+5e⊝+8H+rarr;Mn+++H2O \nThen Nernst equation for ERP is :.... | 0:00 | 3 | |
|
| 2024-09-23 | In which of the following compounds, iron has an oxidation state of +3?.... | 0:00 | 0 | |
|
| 2024-09-23 | When a gas is bubbled through water at 298 K, a very dilute solution of gas is obtained. Henry's.... | 0:00 | 3 | |
|
| 2024-09-23 | Ethylene as a plant hormone was discovered by:.... | 0:00 | 0 | |
|
| 2024-09-23 | 10 ml of 1 N-HCl, 20 mL of N/2 H2SO4 and 30 mL of N/3 HNO3 are mixed together and volume made to.... | 0:00 | 8 | |
|
| 2024-09-23 | How many moles of Al2(SO4)3 would be in 50 g of the substance ?.... | 0:00 | 0 | |
|
| 2024-09-23 | A tank contains 5 moles of oxygen, 2 moles of nitrogen and 20g of hydrogen at room temperature. .... | 0:00 | 3 | |
|
| 2024-09-23 | Gibberellin was first of all isolated from:.... | 0:00 | 1 | |
|
| 2024-09-23 | Match the Column I with Column II:\n\n\n\n\nColumn ndash; I\n\n\nColumn ndash; II\n\n\n\n\n(A)\n.... | 0:00 | 1 | |
|
