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Which of the following ions has the maximum magnetic moment?
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The amine formed from an amide by mean of bromine and alkali has how many number of carbon atoms?
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The reaction of NHO2 with 'A' gives quartering ammonium salt. A is which of the following?
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Which of the following is a basic dye?
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Ethylene reacts with Baeyer’s reagent to give ______.
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The product formed upon heating methyl bromide with potassium tert-butoxide is
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A crystal has the lattice parameters a ≠ b ≠ c and α = β = γ = 90°. The crystal system is
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The α-D glucose and β-D glucose differ from each other due to difference in carbon atom with respect to its
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In addition polymer monomer used is
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In the acetylation of glucose, which group is involved in the reaction
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CsBr, crystallises in a body centred cubic lattice. The unit cell edge length is 436.6 pm. Given that the atomic mass of Cs = 133 a. m. u and that of Br = 80 a. m. u and Avogadro's number being 6.02 × 1023 mol–1, the density of Cs Br is:- .
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Na and Mg crystallise in Bee and Fcc type crystals respectively. "The no. of atoms in the unit cells of their respective crystals is:
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Sodium crystallises in a body-centred cubic unit cell. (bcc) with edge length 4.29 A. what is the radius of the sodium atom? What is the length of the body diagonal of the unit cell?
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How many kind of space lattice are possible in a crystal.
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The packing fraction for a body-centred cube is
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The density of a crystal is given by the formula
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In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to ______.
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A solution with initial concentration of a mol dm-3 follow zero order kinetic. The time taken for the completion of reaction is
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Consider the following statement:-
(i) Increase in concentration of reactant increases the rate of a zero-order reaction.
(ii) Rate constant k is equal to collision frequency A if Ea = 0
(iii) Rate constant k is equal to collision frequency A if Ea = 0
(iv) In k vs t is a straight line
(v) In k vs 1/T is a straight line
Which of the above statement is correct?
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