Among the following compounds I-IV, which one forms a yellow precipitate on reacting sequentially with (i) NaOH (ii) dil. HNO₃ (iii) AgNO₃?

Excess of isobutane on reaction with Br₂ in presence of light at 125$$^\circ$$C gives which one of the following, as the major product?

The given reaction can occur in the presence of :

(a) Bromine water

(b) Br₂ in CS₂, 273 K

(c) Br₂/FeBr₃

(d) Br₂ in CHCl₃, 273 K

Choose the correct answer from the options gien below :

Given below are two statements :

Statement I : C₂H₅OH and AgCN both can generate nucleophile.

Statement II : KCN and AgCN both will generate nitrile nucleophile with all reaction conditions.

Choose the most appropriate option :