Ncert Solutions Chemistry Class 12th

Hoffmann bromomide degradation of benzamide gives product A, which upon heating with CHCl? and NaOH gives product B. The structures of A and B are:

Kindly go through the following questions

A colloidal system consisting of a gas dispersed in a solid is called a/an:

Mesityl oxide is a common name of:

Given below are two statements:
Statement I: Retardation factor (R f) can be measured in meter / centimeter.
Statement II: R f value of a compound remains constant in all solvents.
Chose the most appropriate answer from the options given below:

The above reaction requires which of the following reaction conditions?

Given below are two statements:
Statement I: Potassium permanganate on heating at 573 K forms potassium manganate.
Statement II: Both potassium permanganate and potassium manganate are tetrahedral and paramagnetic in nature.
In the light of the above statements, choose the most appropriate answer from the options given below:

Reducing smog is a mixture of :

An Ellingham diagram provides information about:

The correct electronic configuration and spin - only magnetic moment (BM) of Gd³⁺ (Z = 64), respectively, are: