| 2024-10-07 | For which value of \\(\\mathrm{x}\\), are the determinants \\(\\left|\\begin{array}{cc}2 \\mathr.... | 0:00 | 5 | |
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| 2024-10-07 | How will you carry out the following conversions : (Any two)Ethanoic acid to ethanamide.... | 0:00 | 4 | |
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| 2024-10-07 | A voltaic cell is made by connecting two half cells represented by half equations below :\\[\\be.... | 0:00 | 13 | |
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| 2024-10-07 | Find the value of \\(\\sin \\left(\\cos ^{-1} \\frac{4}{5}+\\tan ^{-1} \\frac{2}{3}\\right)\\)..... | 0:00 | 31 | |
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| 2024-10-07 | Write balanced chemical equations for the following processes :\n\\(\\mathrm{SO}_2\\) gas is pas.... | 0:00 | 7 | |
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| 2024-10-07 | Complete the following reactions:\n.... | 0:00 | 4 | |
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| 2024-10-07 | In an unbiased p-n junction diode, the p-side of the junction is at ____________ potential as co.... | 0:00 | 3 | | Junction
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| 2024-10-07 | The incorrect statement about interstitial compounds is:.... | 0:00 | 3 | |
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| 2024-10-07 | The rate of a reaction quadruples when the temperature changes from \\(293 \\mathrm{~K}\\) to \\.... | 0:00 | 3 | |
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| 2024-10-07 | Prove that :\\[\\sin ^{-1} \\frac{4}{5}+\\tan ^{-1} \\frac{5}{12}+\\cos ^{-1} \\frac{63}{65}=\\f.... | 0:00 | 30 | |
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| 2024-10-07 | Find:\\[\\int \\frac{2 x}{x^2+3 x+2} d x\\].... | 0:00 | 10 | |
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| 2024-10-07 | State Kohlrausch's law of independent migration of ions..... | 0:00 | 4 | |
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| 2024-10-07 | Do the following conversions in not more than two steps :\n(a). \n(b). .... | 0:00 | 6 | |
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| 2024-10-07 | Out of \\(\\left(\\mathrm{CH}_3\\right)_3 \\mathrm{C}-\\mathrm{Br}\\) and \\(\\left(\\mathrm{CH}.... | 0:00 | 6 | |
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| 2024-10-07 | (i) State Kohlrausch's law of independent migration of ions. Write an expression for the limitin.... | 0:00 | 15 | |
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| 2024-10-07 | 50 mL of an aqueous solution of glucose C6H12O6 (Molar mass :180 g / mol) contains 6.02×102.... | 0:00 | 18 | |
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| 2024-10-07 | Assertion (A) : Copper is a non-transition element.Reason (R) : Copper has completely filled d-o.... | 0:00 | 3 | |
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| 2024-10-07 | Define the following terms with a suitable example of each :\nDenaturation of protein.... | 0:00 | 7 | |
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| 2024-10-07 | Give reasons :(i) Mercury cell delivers a constant potential during its life time.(ii) In the ex.... | 0:00 | 9 | |
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| 2024-10-07 | (a) Write chemical reaction to show that open structure of D-glucose contains the straight chain.... | 0:00 | 7 | |
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| 2024-10-07 | Predict the reagent for carrying out the following transformations :(Any two)Ethanoic acid to 2-.... | 0:00 | 8 | |
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| 2024-10-07 | Write the electronic configuration of \\(d^5\\) on the basis of crystal field theory when\n\\(\\.... | 0:00 | 10 | |
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| 2024-10-07 | Write the mathematical relation between rate constant and half-life period of a zero order react.... | 0:00 | 4 | |
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| 2024-10-07 | Find :\\[\\int \\frac{x^2+x+1}{(x+2)\\left(x^2+1\\right)} d x\\].... | 0:00 | 52 | |
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| 2024-10-07 | Which of the following electromagnetic waves has (a) minimum wavelength, and (b) minimum frequen.... | 0:00 | 5 | |
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| 2024-10-07 | (a) The conversion of molecule A to B followed second order kinetics. If concentration of A incr.... | 0:00 | 6 | |
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| 2024-10-07 | What type of isomerism is shown by the complex CoNH35NO2Cl2?.... | 0:00 | 4 | |
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| 2024-10-07 | Name the method of refining which isused to obtain low boiling metal..... | 0:00 | 3 | |
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| 2024-10-07 | Write IUPAC name of the given complex :\\[\\mathrm{K}_3\\left[\\mathrm{Cr}\\left(\\mathrm{C}_2 \.... | 0:00 | 10 | |
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| 2024-10-07 | How will you carry out the following conversions : (Any two)Ethanal to But-2-enal.... | 0:00 | 3 | |
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| 2024-10-07 | Assertion (A) : o-nitrophenol is a weaker acid than p-nitrophenol.\nReason (R): Intramolecular h.... | 0:00 | 6 | |
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| 2024-10-07 | Define fuel cell with an example. What advantages do the fuel cells have over primary and second.... | 0:00 | 5 | |
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| 2024-10-07 | (i) Write the mechanism of the following reaction :\n\\(CH _3 CH _2 OH \\xrightarrow[443 K ]{ H .... | 0:00 | 7 | |
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| 2024-10-07 | Name the process used for the benefaction of ores if the ore is soluble in some suitable solvent.... | 0:00 | 7 | |
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| 2024-10-07 | What would be the major product of the given reaction?\n.... | 0:00 | 5 | |
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| 2024-10-07 | Write balanced ionic equations for the following reactions in aqueous solution:(i) \\(MnO _4^{-}.... | 0:00 | 2 | |
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| 2024-10-07 | Assertion (A) : Low spin tetrahedral complexes are rarely observed.Reason \\((R)\\) : Crystal fi.... | 0:00 | 4 | |
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| 2024-10-07 | Which of the following structures represents \\(\\alpha\\)-D-glucose?.... | 0:00 | 1 | |
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| 2024-10-07 | Using IUPAC norms write the formula of the following :(i) Pentaamminenitrito-N-cobalt (III) nitr.... | 0:00 | 7 | |
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| 2024-10-07 | Write the IUPAC name of \\(\\left[\\mathrm{Pt}\\left(\\mathrm{NH}_3\\right)_5 \\mathrm{Cl}\\righ.... | 0:00 | 6 | |
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| 2024-10-07 | In the decay sequence,
23892U−→−−x123490Th−→−−x223491 Pa−→−−x3234Z−→−−x423090Th
x1,x2,x3
a.... | 0:00 | 42 | |
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| 2024-10-07 | Write the chemical equation for Hell-Volhard-Zelinsky reaction..... | 0:00 | 7 | |
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| 2024-10-07 | Write mechanism for the preparation of alcohols from alkenes (Acid catalysed hydration)..... | 0:00 | 5 | |
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| 2024-10-07 | Give reasons for the following :\\(\\mathrm{E}^{\\circ}\\) value for \\(\\left(\\mathrm{Mn}^{2+}.... | 0:00 | 2 | |
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| 2024-10-07 | A solution containing \\(1.9 \\mathrm{~g}\\) per \\(100 \\mathrm{~mL}\\) of \\(\\mathrm{KCl}\\le.... | 0:00 | 26 | |
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| 2024-10-07 | Heavy rare earth elements crystallize into hexagonal close packed (h.c.p.) structures and share .... | 0:00 | 3 | |
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| 2024-10-07 | Assertion (A) : Acetylation of aniline gives a monosubstituted product.Reason \\((R)\\) : Activa.... | 0:00 | 3 | |
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| 2024-10-07 | Answer the following questions based on Meselson and Stahl's experiment on \\(E\\). coli :.... | 0:00 | 4 | |
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| 2024-10-07 | What type of detergents are used in toothpastes ?.... | 0:00 | 9 | |
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| 2024-10-07 | Write the dispersed phase and dispersion medium of dust..... | 0:00 | 23 | |
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| 2024-10-07 | The order of the reaction\n\\(H _2( g )+ Cl _2( g ) \\xrightarrow{ h \\nu} 2 HCl ( g )\\) is :.... | 0:00 | 5 | |
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| 2024-10-07 | Give reasons why :.... | 0:00 | 6 | |
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| 2024-10-07 | Find the equation of the plane passing through points \\((2,1,0)\\), \\((3,-2,-2)\\) and \\((1,1.... | 0:00 | 5 | |
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| 2024-10-07 | Using IUPAC norms, write the formulae for the following complexes : Hexaaquachromium(III) c.... | 0:00 | 14 | |
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| 2024-10-07 | Low concentration of oxygen in the blood and tissues of people living at high altitude is due to.... | 0:00 | 1 | |
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| 2024-10-07 | Write chemical equations for the following reactions :Propanone is treated with dilute \\(\\math.... | 0:00 | 8 | |
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| 2024-10-07 | Assertion (A): \\(- NH _2\\) group is \\(o-\\) and \\(p\\)-directing in electrophilic substituti.... | 0:00 | 6 | |
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| 2024-10-07 | Differentiate between the following :Fibrous proteins and Globular proteins.... | 0:00 | 6 | |
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| 2024-10-07 | Deficiency of which of the following vitamins causes Pernicious anaemia?.... | 0:00 | 7 | |
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| 2024-10-07 | Write the main product in the following reactions :\n.... | 0:00 | 6 | |
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| 2024-10-07 | Draw the geometrical isomers of \\(\\left[ Co ( en )_2 Cl _2\\right]^{2+}\\). Which geometrical .... | 0:00 | 6 | |
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| 2024-10-07 | What happens when Anisole is treated with CH3Cl/anhydrous AlCl3 ?.... | 0:00 | 14 | |
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| 2024-10-07 | If , A=1110131-21 find A-1.Hence, solve the following system of equations :x + y + z = 6,y + 3z .... | 0:00 | 84 | |
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| 2024-10-07 | Why does ammonia readily form a complex whereas ammonium does not?.... | 0:00 | 4 | |
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| 2024-10-07 | Find the shortest distance between the following lines and hence write whether the lines are int.... | 0:00 | 8 | |
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| 2024-10-07 | What happens when Phenol is oxidised with Na2Cr2O7/H+?.... | 0:00 | 17 | |
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| 2024-10-07 | Why does \\(\\mathrm{ZnO}\\) appear yellow on heating?.... | 0:00 | 7 | |
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| 2024-10-07 | Identify the dispersed phase and dispersion medium in the following colloids :(a) Fog(b) Milk.... | 0:00 | 7 | |
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| 2024-10-07 | The reaction between A and B is first order with respect to A and zero order with respect to B. .... | 0:00 | 4 | |
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| 2024-10-07 | Write the hybridisation and magnetic character of the following complexes :\\(\\left[\\mathrm{Fe.... | 0:00 | 8 | |
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| 2024-10-07 | Write chemical equations for the following reactions :Acetophenone is treated with \\(\\mathrm{Z.... | 0:00 | 6 | |
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| 2024-10-07 | Solve the following homogeneous differential equation :\\[x \\frac{d y}{d x}=x+y\\].... | 0:00 | 8 | |
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| 2024-10-07 | Four cards are drawn one by one with replacement from a well-shuffled deck of playing cards. Fin.... | 0:00 | 16 | |
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| 2024-10-07 | Account for the following :(i) \\(\\mathrm{Cu}^{2+}\\) salts are coloured while \\(\\mathrm{Zn}^.... | 0:00 | 4 | |
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| 2024-10-07 | An aromatic compound ' \\(\\mathrm{A}\\) ' on heating with \\(\\mathrm{Br}_2\\) and \\(\\mathrm{.... | 0:00 | 4 | |
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| 2024-10-07 | RNA interference (RNAi) holds great potential as a therapeutic agent for the treatment of human .... | 0:00 | 2 | |
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| 2024-10-07 | Give reasons for the following :Actinoids show irregularities in their electronic configuration..... | 0:00 | 9 | |
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| 2024-10-07 | Assertion (A) : Vitamin D can be stored in our body.Reason \\((R)\\) : Vitamin D is a water-solu.... | 0:00 | 4 | |
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| 2024-10-07 | Which of the following B group vitamins can be stored in our body?.... | 0:00 | 1 | |
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| 2024-10-07 | Find the inverse of the following matrix, using elementary transformations :A=231241372.... | 0:00 | 113 | |
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| 2024-10-07 | [NiCl4]2– is paramagnetic while [Ni(CO)4] is diamagnetic though b.... | 0:00 | 7 | |
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| 2024-10-07 | Let \\(A=\\{3,5\\}\\). Then number of reflexive relations on \\(A\\) is.... | 0:00 | 14 | |
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| 2024-10-07 | Assertion (A): The molecularity of the reaction \\(H _2+ Br _2 \\longrightarrow 2 HBr\\) appears.... | 0:00 | 3 | |
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| 2024-10-07 | Why does \\(\\mathrm{Cu}^{2+}\\) solution give blue colour on reaction with ammonia?.... | 0:00 | 4 | |
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| 2024-10-07 | When fruits and vegetables that have dried up are placed in water, they slowly swell and return .... | 0:00 | 5 | |
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| 2024-10-07 | In the reaction \\(R - OH + HCl \\xrightarrow{ ZnCl _2} RCl + H _2 O\\), what is the correct ord.... | 0:00 | 6 | |
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| 2024-10-07 | Which polymer is generally used for making paints and lacquers?.... | 0:00 | 2 | |
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| 2024-10-07 | If \\(x=a \\cos \\theta\\) and \\(y=b \\sin \\theta\\), then prove that \\(\\frac{d^2 y}{d x^2}=.... | 0:00 | 5 | |
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| 2024-10-07 | A function \\(f: A \\rightarrow B\\) defined as \\(f(x)=2 x\\) is both one-one and onto. If \\(A.... | 0:00 | 19 | |
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| 2024-10-07 | Write the chemical equation involved in the following reactions :(a) Reimer-Tiemann reaction(b) .... | 0:00 | 13 | |
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| 2024-10-07 | Gene therapy is used to correct defective genes in order to cure the disease or help our body to.... | 0:00 | 2 | |
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| 2024-10-07 | Assertion (A) : Albumin is a globular protein.\nReason (R): Polypeptide chain coils around to gi.... | 0:00 | 6 | |
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| 2024-10-07 | If \\(\\left[\\begin{array}{cc}4 & x+2 \\\\ 2 x-3 & x+1\\end{array}\\right]\\) is a symm.... | 0:00 | 5 | |
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| 2024-10-07 | Assertion (A) : Osmotic pressure is a colligative property.Reason (R) : Osmotic pressure is prop.... | 0:00 | 6 | |
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| 2024-10-07 | Write the product formed when p-nitrochlorobenzene is heated with aqueous \\(\\mathrm{NaOH}\\) a.... | 0:00 | 11 | |
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| 2024-10-07 | What happens when(i) Anisole is treated with \\(CH _3 Cl /\\) anhydrous \\(AlCl l_3\\) ?(ii) Phe.... | 0:00 | 6 | |
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| 2024-10-07 |  Show that the function f(x)=3x+7 is strictly decreasing for x∈R-{0}.&.... | 0:00 | 1 | |
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| 2024-10-07 | Given below is the decomposition of hydrogen peroxide in alkaline medium, which is catalysed by .... | 0:00 | 8 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Disinfectants.... | 0:00 | 12 | |
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| 2024-10-07 | The glycosidic linkage involved in linking the glucose units in amylase part of starch is : .... | 0:00 | 4 | |
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