CUET (UG) entrance exam Question Bank Solutions for Chemistry

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:-

The common method of the extraction of metal from the oxide ore is:-

Among the given compound, the most susceptible to nucleophile attack at the at the carbonyl group

Which of the following is an example of aldo hexose?

A nucleoside is made of:-

Which of the following base is not present in RNA?

A nucleoside acids, the sequence is

Amylopectin is a polymer of:-

High density polyethylene (HDPE) can be prepared from ethylene by

Which of the following statements is incorrect regarding glucose?

Glucose reacts with acetic anhydride to form ______.

The term ‘sorption’ stands for ______.