Chemistry Test ...

Which of the following reaction is involved in the preparation of primary amines:
(i) Hofmann’s bromide reaction and
(ii) Gobriel phthalimide synthesis

Due to lanthanide contraction

If n = 6, the correct sequence for filling of electrons will be :

Lowering of vapour pressure,$\Delta \text{p}\text{;}$elevation in boiling point. $\Delta {\text{T}}_{\text{b}}\text{;}$and depression in freezing point, $\Delta {\text{T}}_f$of a solvent for the same molar concentration of each of the three solutes:
​(A) sugar, (B) NaCl, and (C) BaCl₂ follow the sequence :

Which of the following is involved in formation of heme?

If Z is the number of atoms in the unit cell that represents the closest packing sequence...ABCABC...., the number of tetrahedral voids in the unit cell is equal to :

Aniline reacts with acetaldehyde to form

The average kinetic energy of one molecule of an ideal gas at \(27^{\circ} \mathrm{C}\) and 1 atm pressure is

On warming with silver powder, chloroform is converted into