CUET (UG) entrance exam Question Bank Solutions for Chemistry

The reaction of NHO₂ with 'A' gives quartering ammonium salt. A is which of the following?

Which of the following is a basic dye?

Which one is disperse dye?

Ethylene reacts with Baeyer’s reagent to give ______.

The product formed upon heating methyl bromide with potassium tert-butoxide is

A crystal has the lattice parameters a ≠ b ≠ c and α = β = γ = 90°. The crystal system is

The α-D glucose and β-D glucose differ from each other due to difference in carbon atom with respect to its

In addition polymer monomer used is

In the acetylation of glucose, which group is involved in the reaction

C_sB_r, 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:- .

Na and Mg crystallise in Bee and Fcc type crystals respectively. "The no. of atoms in the unit cells of their respective crystals is:

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?

How many kind of space lattice are possible in a crystal.

The packing fraction for a body-centred cube is

The density of a crystal is given by the formula

In a hydrogen-oxygen fuel cell, combustion of hydrogen occurs to ______.

A solution with initial concentration of a mol dm^-3 follow zero order kinetic. The time taken for the completion of reaction is

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 E_a = 0

(iii) Rate constant k is equal to collision frequency A if E_a = 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?

Nickel is purified by thermal decomposition of its:-

Cassiterite is an are of:-