CUET (UG) entrance exam Question Bank Solutions for Chemistry

Which one of the following is not applicable to the phenomenon of adsorption?

Which of the following elements can be involved in pπ – dπ bonding?

Which of the following is the most stable free radical?

Which compound would undergo dehydrohalogenation with strong base to give the alkene shown below as the only alkene product?

CH₃ – CH₂CH = CH – CH₃

In the presence of acid, the initial concentration of cane sugar was reduced from 0.2 M to 0.1 Min 5 hours and to 0.05 Min 10 hours. The reaction must be of?

Which of the following species is an odd electron intermediate?

The Gabriels' phthalimide synthesis is used in the synthesis of

The most stable free radical among the following is

The rate constant of a first order reaction is 6.9 × 10^–3s^–1. How much time will it take to reduce the initial concentration to its 1/8^th value?

Tetragonal crystal system has the following unit cell dimensions:

Which of the following is strongest nucleophile?

H₂O₂ is

A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has

Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):

Assertion: Water is one of the best solvent.

Reason: H-bonding is present in water molecules.

HCl is added to following oxides. Which one would give H₂O₂ 

Butene-1 may be converted to butane by reaction with

First order reaction is 50% complete in 1.26 × 10¹⁴s. How much time could it take for 100% completion?

A first order reaction is 50% complete in 20 minute What is rate constant?

In the first order reaction, half of the reaction is complete in 100 seconds. The time for 99% of the reaction to occurs will be

The reaction X → product

Follow first order of kinetics. In 40 minutes the concentration of 'X' changes from 0.1 m to 0.025. M. The rate of reaction when concentration of X is 0.01 m is.