| 2024-09-27 | Arrange the following in increasing order of reactivity towardssulphonation with fuming sulphuri.... | 0:00 | 3 | |
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| 2024-09-27 | For the first order reaction.... | 0:00 | 1 | |
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| 2024-09-27 | Benzene diazonium chloride on reaction with phenol in weakly basic medium gives.... | 0:00 | 1 | |
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| 2024-09-27 | For the following reaction, the equilibrium constant Kc at 298 K is\n 1.6×1017. F.... | 0:00 | 1 | |
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| 2024-09-27 | What are N and M ?\n.... | 0:00 | 1 | |
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| 2024-09-27 | Chloroform is stored in dark coloured bottles. Explain in not more than two sentences..... | 0:00 | 5 | |
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| 2024-09-27 | When NaNO3 is heated in a closed vessel, oxygen is liberated and NaNO2 is left behind. At equili.... | 0:00 | 0 | |
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| 2024-09-27 | Which hydrogen like species will have same radius as that of Bohr orbit of hydrogen atom?.... | 0:00 | 1 | |
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| 2024-09-27 | Draw the structure of P4O10 and identify the number of single and double P – O bonds..... | 0:00 | 1 | |
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| 2024-09-27 | For an ideal gas, consider only P-V work in going from initial state X to the final state Z. The.... | 0:00 | 1 | |
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| 2024-09-27 | Electromagnetic radiation with maximum wavelength is.... | 0:00 | 1 | |
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| 2024-09-27 | A first order reaction, A→B, requires activation energy of 70 kJ mol-1. When a 2.... | 0:00 | 2 | |
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| 2024-09-27 | In group IA of alkali metals, the ionisation potential decreases down the group. Therefore, lith.... | 0:00 | 0 | |
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| 2024-09-27 | When the same amount of zinc is treated separately with excess of sulphuric acid and excess of s.... | 0:00 | 0 | |
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| 2024-09-27 | A catalyst is a substance which.... | 0:00 | 0 | |
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| 2024-09-27 | What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition.... | 0:00 | 0 | |
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| 2024-09-27 | A transparent thin film of uniform thickness and refractive indexn1=1.4 is coated on the convex .... | 0:00 | 0 | |
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| 2024-09-27 | Plots showing the variation of the rate constant (k) with temperature (T) are given below. The p.... | 0:00 | 0 | |
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| 2024-09-27 | What is the relation between the refractive indices μ1 and μ2? If the behavi.... | 0:00 | 3 | |
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| 2024-09-27 | In which case will the particle move in a straight line with constant velocity?.... | 0:00 | 5 | |
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| 2024-09-27 | The degrec of dissociation of CaNO32 in a dilute aqueous solution containing 7.0 g of the s.... | 0:00 | 1 | |
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| 2024-09-27 | A proton and an alpha particle, after being accelerated through the same potential difference, e.... | 0:00 | 0 | |
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| 2024-09-27 | Assertion (A): The total translational kinetic energy of all the molecules of a given mass of an.... | 0:00 | 1 | |
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| 2024-09-27 | A sodium salt of an unknown anion when treated with MgCI2 gives white precipitate only on boilin.... | 0:00 | 3 | |
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| 2024-09-27 | A conducting sphere S1 of radius r is attached to an insulating handle. Another conducting spher.... | 0:00 | 0 | |
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| 2024-09-27 | The standard e.m.f. of a galvanic cell involving cell reaction with n = 2 is found to be 0.295 V.... | 0:00 | 4 | |
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| 2024-09-27 | Pure ammonia is placed in a vessel at a temperature where its dissociation constant \\((\\alpha).... | 0:00 | 2 | |
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| 2024-09-27 | The work done in carrying a point charge from one point to another in an electrostatic field dep.... | 0:00 | 3 | |
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| 2024-09-27 | An ac is passed through a series LCR circuit. What is the impedance of the circuit at resonance?.... | 0:00 | 1 | |
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| 2024-09-27 | The ratio of the kinetic energy of then = 2 electron for theH atom to that ofHe+ ion i.... | 0:00 | 3 | |
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| 2024-09-27 | A student is performing an experiment using a resonance column and a tuning fork of frequency 24.... | 0:00 | 3 | |
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| 2024-09-27 | How can you convert the following?Phenol to phenyl ethanoate..... | 0:00 | 2 | |
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| 2024-09-27 | A thin conducting rodMN of mass 20gm, length25cm and resistance10Ω is held on frictionless,.... | 0:00 | 3 | |
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| 2024-09-27 | Some physical quantities are given in Column-I and some possible SI units in which these quantit.... | 0:00 | 3 | |
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| 2024-09-27 | Racemisation occurs in .... | 0:00 | 4 | |
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| 2024-09-27 | In process 1 , the energy stored in the capacitor EC and heat dissipated across resistance ED ar.... | 0:00 | 5 | |
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| 2024-09-27 | How can the disadvantages of eddy currents be minimized?.... | 0:00 | 4 | |
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| 2024-09-27 | Give reasons :\n Oxidation of aldehydes is easier than that of ketones..... | 0:00 | 1 | |
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| 2024-09-27 | A thin fixed ring of radius1 m has a positive charge1×10-5C uniformly distributed over.... | 0:00 | 2 | |
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| 2024-09-27 | Derive the expression for the self-inductance of a long solenoid..... | 0:00 | 8 | |
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| 2024-09-27 | An alkyl halide (A) of molecular formula \\(C _6 H _{13} Cl\\) on treatment with alcoholic \\(KO.... | 0:00 | 1 | |
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| 2024-09-27 | What type of bonding provides stability to \\(\\alpha\\)-helix structure of protein?.... | 0:00 | 1 | |
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| 2024-09-27 | What are the products of hydrolysis of maltose?.... | 0:00 | 5 | |
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| 2024-09-27 | Write the electronic configuration of \\(\\mathrm{Fe}^{3+}\\) on the basis of crystal field theo.... | 0:00 | 2 | |
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| 2024-09-27 | A ray of light is incident on a prism at an angle of \\(45^{\\circ}\\) and passes symmetrically .... | 0:00 | 16 | |
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| 2024-09-27 | If the function \\(f\\) defined as\\[\\mathrm{f}(x)=\\left\\{\\begin{array}{c}\\frac{x^2-9.... | 0:00 | 3 | |
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| 2024-09-27 | Account for the following :(a) Transition elements show variable oxidation states.(b) ECu2+/Cu0 .... | 0:00 | 2 | |
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| 2024-09-27 | A ray of light on passing through an equilateral glass prism, suffers a minimum deviation equal .... | 0:00 | 2 | |
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| 2024-09-27 | Account for the following :\\(\\mathrm{Mn}^{3+}\\) is strongly oxidizing whereas \\(\\mathrm{Cr}.... | 0:00 | 1 | |
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| 2024-09-27 | Two concentric circular coils \\(X\\) and \\(Y\\) of radii \\(r_1\\) and \\(r_2\\left(r_1>r_2.... | 0:00 | 3 | |
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| 2024-09-27 | For \\(A=\\left[\\begin{array}{ll}3 & -4 \\\\ 1 & -1\\end{array}\\right]\\) write .... | 0:00 | 1 | |
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| 2024-09-27 | Differentiate between :Nucleoside and Nucleotide.... | 0:00 | 1 | |
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| 2024-09-27 | If \\(\\alpha\\) and \\(\\beta\\) are the roots of \\(x^2+p x+q=0\\) and \\(\\gamma, \\delta\\) .... | 0:00 | 2 | |
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| 2024-09-27 | What happens when:\nChlorobenzene is treated with sodium in dry ether ?.... | 0:00 | 0 | |
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| 2024-09-27 | Two point charges q and – q are located at (0, 0, – a) and (0, 0, a) respectively.(a.... | 0:00 | 3 | |
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| 2024-09-27 | The acidic aqueous solution of ferrous ion forms a brown complex in the presence of NO3-, by the.... | 0:00 | 2 | |
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| 2024-09-27 | Write the products of the following reactions : \n.... | 0:00 | 0 | |
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| 2024-09-27 | When 16.8 g of white solid X were heated, 4.4 g of acid gas A, that turned lime water milky, was.... | 0:00 | 1 | |
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| 2024-09-27 | In the following sequence, product I, J, L are formed , K represents a reagent\n(i) Mg/ether\n\n.... | 0:00 | 1 | |
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| 2024-09-27 | Write the reactions of ethanal with(i) LiAlH4(ii) dil NaOH(iii) HCN.... | 0:00 | 3 | |
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| 2024-09-27 | [X]+H2SO4→[Y]+a colorless gas with irritating smell\n[Y]+K2Cr2O7+H2SO4→ green solution.... | 0:00 | 0 | |
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| 2024-09-27 | Complete the following, giving the structures of the principal organic products\n.... | 0:00 | 1 | |
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| 2024-09-27 | Letn be an odd integer. If sinnθ=∑r=0nbrsinrθ, for every value of n, then.... | 0:00 | 4 | |
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| 2024-09-27 | The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nit.... | 0:00 | 2 | |
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| 2024-09-27 | Carbon tetrachloride burns in air when lighted to give phosgene.... | 0:00 | 1 | |
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| 2024-09-27 | Amongst the compounds given, the one that would form a brilliant coloured dye on treatment withN.... | 0:00 | 0 | |
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| 2024-09-27 | XeF4 and XeF6 are expected to be.... | 0:00 | 3 | |
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| 2024-09-27 | Among B2H6, B3N3H6, N2O, N2O4, H2S2O3 and H2S2O8, the total number of molecules containing coval.... | 0:00 | 1 | |
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| 2024-09-27 | Arrange the following as stated:\"Increasing order of acidic strength.\"\\(\\mathrm{CH}_3 \\math.... | 0:00 | 3 | |
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| 2024-09-27 | The Edison storage cell is represented as:Fe(s)/FeO(s)/KOH(aq)/Ni2O2( s)/Ni(s)The half-cell.... | 0:00 | 7 | |
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| 2024-09-27 | An acidic solution of Cu2+salt containing 0.4 g of Cu2+ is electrolysed until all the coppe.... | 0:00 | 0 | |
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| 2024-09-27 | The value of y is.... | 0:00 | 2 | |
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| 2024-09-27 | MX, dissociates into M2+ and X-ions in an aqueous solution, with a degree of dissociation (a) of.... | 0:00 | 2 | |
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| 2024-09-27 | Find the equilibrium constant fer the reactionCu2++In2+⇌Cu++In3+\nGiven thatECu+2/Cu+0-0.1.... | 0:00 | 0 | |
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| 2024-09-27 | How will you prepare m-bromoiodobenzene from benzene (in not more than 5-7 steps)?.... | 0:00 | 1 | |
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| 2024-09-27 | The volume of this hcp unit cell is.... | 0:00 | 1 | |
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| 2024-09-27 | Monomer A of a polymer on ozonolysis yields two moles of HCHO and one mole of CH3COCHO.(a) Deduc.... | 0:00 | 0 | |
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| 2024-09-27 | Arrange the following in order of their(i) Increasing basicity\\[\\mathrm{H}_2 \\mathrm{O}, \\ma.... | 0:00 | 2 | |
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| 2024-09-27 | Statement-I: Addition of bromine to trans-2-butene yields meso-2, 3-dibromo butane.Statement-II:.... | 0:00 | 2 | |
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| 2024-09-27 | The total number(s) of stable conformers with non-zero dipole moment for the following compound .... | 0:00 | 0 | |
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| 2024-09-27 | The reaction condition leading to the best yield of \\(\\mathrm{C}_2 \\mathrm{H}_5 \\mathrm{Cl}\.... | 0:00 | 2 | |
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| 2024-09-27 | Statement-I: LiCl is predominantly a covalent compound.Statement-II: Electronegativity differenc.... | 0:00 | 0 | |
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| 2024-09-27 | Polarisation of electrons in acrolein may be written as.... | 0:00 | 0 | |
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| 2024-09-27 | Consider the following complex ions, P, Q and R. P = [FeF6]3–, Q = [V(H2O)6]2+ and R = [Fe.... | 0:00 | 1 | |
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| 2024-09-27 | All molecules with polar bonds have dipole moment.... | 0:00 | 0 | |
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| 2024-09-27 | The basic nature of the hydroxides of group 13 (III B) decreases progressively down the group..... | 0:00 | 1 | |
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| 2024-09-27 | The volume (in mL) of 0.1M AgNO3 required for complete precipitation of chloride ions present in.... | 0:00 | 0 | |
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| 2024-09-27 | A diminished image of an object is to be obtained on a screen 1.0 mfrom it. This can be ach.... | 0:00 | 1 | |
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| 2024-09-27 | Consider the reaction : H12+H12=H24e+Q. Mass of the deuterium atom =2.0141u. Mass of helium atom.... | 0:00 | 0 | |
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| 2024-09-27 | The correct options related to adsorption process is/are.... | 0:00 | 0 | |
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| 2024-09-27 | A monochromatic light is incident from air on a refracting surface of a prism of angle75° a.... | 0:00 | 0 | |
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| 2024-09-27 | State TRUE or FALSE\nIn a Young’s double slit experiment performed with a source of white .... | 0:00 | 3 | |
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| 2024-09-27 | The carbon-based reduction method is not used for the extraction of.... | 0:00 | 1 | |
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| 2024-09-27 | A parallel plate capacitor of area A, plate separation d and capacitance C is filled with three .... | 0:00 | 5 | |
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| 2024-09-27 | A beam of light consisting of red, green and blue colours is incident on a right-angled prism. T.... | 0:00 | 0 | |
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| 2024-09-27 | The rate constant for the first order decomposition of a certain reaction is described by the eq.... | 0:00 | 2 | |
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| 2024-09-27 | A solid sphere of radius R has a charge Q distributed in its volume with a charge density ρ.... | 0:00 | 2 | |
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| 2024-09-27 | A square metal wire loop of side10cm and resistance1Ω is moved with a constant velocityv0 i.... | 0:00 | 4 | |
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| 2024-09-27 | Moist ethylene can be dried by passing it through concentrated sulphuric acid..... | 0:00 | 1 | |
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| 2024-09-27 | k2fc1w09xytsrzn8f0ix5c9pf.... | 0:00 | 0 | |
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