| 2024-10-07 | The value of the cofactor of the element of second row and third column in the matrix \\(\\left[.... | 0:00 | 1 | |
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| 2024-10-07 | Pentan-2-one and Pentan-3-one can be distinguished by :.... | 0:00 | 5 | |
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| 2024-10-07 | Which type of isomerism is shown by the complexes \\(\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\r.... | 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 | Which of the following ligands is an ambidentate ligand ?.... | 0:00 | 7 | |
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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 | State Raoult's law for a solution containing volatile components. Write two characteristics of t.... | 0:00 | 5 | |
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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 | Using IUPAC norms, write the formulae for the following complexes :\nSodium trioxalatoferrate(II.... | 0:00 | 16 | |
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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 | 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 | 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 | What is difference between an emulsion and a gel ?.... | 0:00 | 4 | |
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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 | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0:00 | 19 | |
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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 | 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 | Assertion (A) : Conductivity decreases with decrease in concentration of electrolyte.\nReason (R.... | 0:00 | 3 | |
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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 | Write balanced chemical equations for the following processes :\\(\\mathrm{XeF}_2\\) undergoes h.... | 0:00 | 4 | |
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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 | What would be the major product of the given reaction?\n.... | 0:00 | 5 | |
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| 2024-10-07 | The following data were obtained during the first order thermal decomposition of \\(C _2 H _5 Cl.... | 0:00 | 6 | |
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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 | How will you carry out the following conversions : (Any two)Ethanoic acid to ethanamide.... | 0:00 | 4 | |
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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 | In the decay sequence,
23892U−→−−x123490Th−→−−x223491 Pa−→−−x3234Z−→−−x423090Th
x1,x2,x3
a.... | 0:00 | 42 | |
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| 2024-10-07 | A solution that obeys Raoult's law is called:.... | 0:00 | 3 | |
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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 | The incorrect statement about interstitial compounds is:.... | 0:00 | 3 | |
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| 2024-10-07 | Reduction potentials of 4 metals A, B, C and D are-1.66 V, +0/34 V, +0.80V and -0.76 V . What is.... | 0:00 | 5 | |
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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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| 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 | 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 | 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 | Complete the following reactions:\n.... | 0:00 | 11 | |
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| 2024-10-07 | Why is physisorption reversible whereas chemisorption is irreversible?.... | 0:00 | 14 | |
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| 2024-10-07 | Write the hybridisation and magnetic behaviour of \\(\\left[ CoF _6\\right]^{3-}\\). [Given : At.... | 0:00 | 2 | |
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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 | 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 | 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 | Differentiate between the following :Amylose and Amylopectin.... | 0:00 | 3 | |
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| 2024-10-07 | The slope in the plot of ln[R]Vs.time gives:(where [R] is the final concentration of reactant.).... | 0:00 | 2 | |
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| 2024-10-07 | The vapour pressure of pure liquid \\(X\\) and pure liquid \\(Y\\) at \\(25^{\\circ} C\\) are 12.... | 0:00 | 46 | |
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| 2024-10-07 | Define the following terms with a suitable example in each :Cationic detergents.... | 0:00 | 6 | |
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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 | 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 | Write balanced ionic equations for the following reactions in aqueous solution:(i) \\(MnO _4^{-}.... | 0:00 | 2 | |
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| 2024-10-07 | Write the IUPAC name of the following complex :\\[\\left[\\mathrm{Co}\\left(\\mathrm{NH}_3\\righ.... | 0:00 | 8 | |
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| 2024-10-07 | Find the equations of all the sides of the parallelogram \\(A B C D\\) whose vertices are \\(A (.... | 0:00 | 2 | |
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| 2024-10-07 | The ions of metals of Group \\(12( Zn , Cd\\) and \\(Hg )\\) have completely filled d orbitals a.... | 0:00 | 3 | |
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| 2024-10-07 | What is the difference between an Ambidentate ligand and a Bidentate ligand?.... | 0:00 | 14 | |
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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 | Define the following terms with a suitable example of each :\nDenaturation of protein.... | 0:00 | 7 | |
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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 | An Organic compound (A) with molecular formula \\(\\mathrm{C}_3 \\mathrm{H}_7 \\mathrm{NO}\\) on.... | 0:00 | 13 | |
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| 2024-10-07 | In a reaction, the initial concentration of the reactants increases four fold and the rate becom.... | 0:00 | 4 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\nWhy are enthalpies of a.... | 0:00 | 6 | |
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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 | 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 | Answer the following questions based on Meselson and Stahl's experiment on \\(E\\). coli :.... | 0:00 | 4 | |
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| 2024-10-07 | Assertion (A) : Matrix \\(A=\\left[\\begin{array}{rrr}0 & -3 & 5 \\\\ 3 & 0 & -2.... | 0:00 | 3 | |
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| 2024-10-07 | Give reasons :(i) o-nitrophenol has lower boiling point than p-nitrophenol..... | 0:00 | 9 | |
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| 2024-10-07 | Answer the following questions on the basis of the figure given below :\n(i) Which element in 3d.... | 0:00 | 4 | |
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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 | What type of isomerism is shown by the complex CoNH35NO2Cl2?.... | 0:00 | 4 | |
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| 2024-10-07 | Give reasons why :.... | 0:00 | 6 | |
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| 2024-10-07 | If half-life period for a first order reaction in \\(A\\) is 2 minutes, how long will it take \\.... | 0:00 | 2 | |
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| 2024-10-07 | \\(Mn ^{2+}\\) compounds are more stable than \\(Fe ^{2+}\\) towards oxidation to their +3 state.... | 0:00 | 8 | |
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| 2024-10-07 | Calculate the overall order of the reaction whose rate law expression was predicted as :\n .... | 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 | (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 | A composite prism ABC is made up of two identical right-angled prisms ABD and ADC made up of dif.... | 0:00 | 46 | |
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| 2024-10-07 | The products of the electrolysis of aqueous \\(\\mathrm{NaCl}\\) are :.... | 0:00 | 4 | |
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| 2024-10-07 | Let \\(\\vec{a}\\) and \\(\\vec{b}\\) be two unit vectors and \\(\\theta\\) is the angle between.... | 0:00 | 15 | |
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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 | 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 | Compound \\(\\mathrm{A}\\) undergoes Rosenmund reduction to give compound \\(\\mathrm{B}\\) with.... | 0:00 | 11 | |
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| 2024-10-07 | Solve the following system of equations by matrix method :\\[\\begin{aligned}& x+2 y+3 z=6 \.... | 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 | 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 | Write the chemical equation for the following :\nReaction between Ethyl bromide and \\(\\mathrm{.... | 0:00 | 4 | |
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| 2024-10-07 | (a) \\(\\xrightarrow{ PCl _5}{ }^{\\prime} A^{\\prime} \\xrightarrow{ AgCN }{ }^{\\prime} B ^{\.... | 0:00 | 4 | |
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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 | Given \\(A=\\left[\\begin{array}{cc}1 & 0 \\\\ 0 & -1\\end{array}\\right]\\) and \\(B=\\.... | 0:00 | 13 | |
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| 2024-10-07 | Write the products obtained after hydrolysis of lactose..... | 0:00 | 12 | |
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| 2024-10-07 | Classify the following polymers on the basis of molecular forces :(a) Vulcanized rubber(b) Teryl.... | 0:00 | 2 | |
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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 | An element \\(\\mathrm{X}\\) with an atomic mass of \\(81 \\mathrm{u}\\) has density \\(10.... | 0:00 | 9 | |
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| 2024-10-07 | Identify A, B, C, D, E and F in the following :\n.... | 0:00 | 10 | |
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| 2024-10-07 | Write the structure of 1-chloro-4-ethylcyclohexane..... | 0:00 | 14 | |
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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 | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0:00 | 15 | |
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| 2024-10-07 | Find the inverse of the function \\(\\mathrm{f}(\\mathrm{x})=\\left(\\frac{4 \\mathrm{x}}{3 \\ma.... | 0:00 | 1 | |
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| 2024-10-07 | Consider the elements N, P, O and S and arrange them is order of :
(i) increasing ist ionisation.... | 0:00 | 4 | |
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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 | Write balanced chemical equations for the following processes : \n\\(\\mathrm{Cl}_2\\) is p.... | 0:00 | 8 | |
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| 2024-10-07 | Observe the diagram shown below of pBR 322. Answer the questions that follow :\n\nWhat is pBR322.... | 0:00 | 1 | |
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| 2024-10-07 | {"english":"Find the distance of the point \\((-1,-5,-10)\\) from the point of intersection of t.... | 0:00 | 3 | |
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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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