2024-10-07 | A solution that obeys Raoult's law is called:.... | 0:00 | 3 | |
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2024-10-07 | Write the structures of monomers used to obtain the following polymers :\nNeoprene.... | 0:00 | 6 | |
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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 | Find:\\[\\int \\frac{d x}{1+\\cot x}\\].... | 0:00 | 4 | |
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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 | (i) What is a chelate complex? Give one example.(ii) What are heteroleptic complexes? Give one e.... | 0:00 | 2 | |
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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 | 1 mole of liquid \\(A\\) and 2 moles of liquid \\(B\\) make a solution having a total vapour pre.... | 0:00 | 16 | |
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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 | Which of the following ligands is an ambidentate ligand ?.... | 0:00 | 7 | |
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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 | Give reasons for the following :\nAlthough amino group is \\(o\\) - and \\(p\\)-directing in aro.... | 0:00 | 5 | |
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2024-10-07 | How are the following conversions carried out?(a) \\(CH _3 CN\\) to \\(CH _3 COCH _3\\)(b) Benzo.... | 0:00 | 5 | |
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2024-10-07 | The incorrect statement about interstitial compounds is:.... | 0:00 | 3 | |
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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 | 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 | Compound \\(\\mathrm{A}\\) undergoes Rosenmund reduction to give compound \\(\\mathrm{B}\\) with.... | 0:00 | 11 | |
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2024-10-07 | Using properties of determinants, show that\\[\\left|\\begin{array}{ccc}3 a & -a+b & -a+.... | 0:00 | 19 | |
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2024-10-07 | Evaluate:\\[\\int_0^{\\pi / 2} \\frac{1}{1+\\cot ^{5 / 2} x} d x\\].... | 0:00 | 2 | |
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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 | Why does \\(\\mathrm{ZnO}\\) appear yellow on heating?.... | 0:00 | 7 | |
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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 | Write the chemical equation for the following :\nReaction between Ethyl bromide and \\(\\mathrm{.... | 0:00 | 4 | |
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2024-10-07 | Let \\(f : N \\rightarrow Y\\) be a function defined as \\(f ( x )=4 x +3\\), where \\(Y=\\{y \\.... | 0:00 | 19 | |
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2024-10-07 | For the matrix \\(A=\\left[\\begin{array}{rr}2 & 3 \\\\ -4 & -6\\end{array}\\right]\\), .... | 0:00 | 1 | |
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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 | Write chemical equations for the following reactions :Acetophenone is treated with \\(\\mathrm{Z.... | 0:00 | 6 | |
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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 | Why is desorption important for a substance to act as a catalyst?.... | 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 | In the decay sequence,
23892U−→−−x123490Th−→−−x223491 Pa−→−−x3234Z−→−−x423090Th
x1,x2,x3
a.... | 0:00 | 42 | |
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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 | Which of the following B group vitamins can be stored in our body?.... | 0:00 | 1 | |
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2024-10-07 | If \\((\\cos x)^y=(\\sin y)^x\\), find \\(\\frac{d y}{d x}\\)..... | 0:00 | 91 | |
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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 | Which of the following electromagnetic waves has (a) minimum wavelength, and (b) minimum frequen.... | 0:00 | 5 | |
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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 | In the figure given below, find the\n(a) equivalent capacitance of the network between points A .... | 0:00 | 10 | |
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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 | 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 | The IUPAC name for the formula\n.... | 0:00 | 4 | |
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2024-10-07 | Hoffmann Bromamide Degradation reaction is given by :.... | 0:00 | 7 | |
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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 | What is the difference between an Ambidentate ligand and a Bidentate ligand?.... | 0:00 | 14 | |
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2024-10-07 | Two concentric circular loops of radius \\(1 \\mathrm{~cm}\\) and \\(20 \\mathrm{~cm}\\) a.... | 0:00 | 3 | |
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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 | Which polymer is generally used for making paints and lacquers?.... | 0:00 | 2 | |
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2024-10-07 | From a lot of 30 bulbs which include 6 defective bulbs, a sample of 2 bulbs is drawn at random o.... | 0:00 | 10 | |
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2024-10-07 | Using properties of determinants show that\\[\\left|\\begin{array}{ccc}1+\\mathrm{a}^2-\\mathrm{.... | 0:00 | 6 | |
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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 | 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 | 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 | Complete the following equations :\n(a) \\(\\quad 2 MnO _4^{-}+5 NO _2^{-}+6 H ^{+} \\longrighta.... | 0:00 | 3 | |
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2024-10-07 | Nucleotides and amino acids are vital building blocks in biology, but although nature has master.... | 0:00 | 6 | |
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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 | 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 | Pentan-2-one and Pentan-3-one can be distinguished by :.... | 0:00 | 5 | |
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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 | 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 | An element crystallizes in a fcc lattice with cell edge of \\(250 pm\\). Calculate the density i.... | 0:00 | 6 | |
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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 | 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 | How are the following conversions carried out?(i) Aniline to Phenol(ii) Ethanal to Propan-2-ol.... | 0:00 | 11 | |
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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 | 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 | Write the chemical equation for the following :\nReaction between Dimethyl ether and Hydrogen io.... | 0:00 | 2 | |
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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 | (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 | Write the order and degree of the differential equation :d2ydx2+3dydx2=x2logd2ydx2.... | 0:00 | 1 | |
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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 | 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 | 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 | 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 | 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 | Write the products obtained after hydrolysis of lactose..... | 0:00 | 12 | |
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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 | 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 | Identify A, B, C, D, E and F in the following :\n.... | 0:00 | 10 | |
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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 | Write structures of main compounds \\(\\mathrm{A}\\) and \\(\\mathrm{B}\\) in each of the follow.... | 0:00 | 27 | |
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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 | 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 | Give reasons :\n Cooking is faster in pressure cooker than in cooking pan..... | 0:00 | 15 | |
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2024-10-07 | Using integration, find the area of the smaller region enclosed by the curve \\(4 x^2+4 y^2=9\\).... | 0:00 | 6 | |
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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 | 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 | Write balanced chemical equations for the following processes : \n\\(\\mathrm{Cl}_2\\) is p.... | 0:00 | 8 | |
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2024-10-07 | Write balanced chemical equations for the following processes :\\(\\mathrm{MnO}_2\\) is heated w.... | 0:00 | 2 | |
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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 | Write the name and principle of the method used for refining of \nGermanium .... | 0:00 | 12 | |
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2024-10-07 | What is the basic structural difference between glucose and fructose?.... | 0:00 | 12 | |
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