Bromobenzene is heated with "Mg" in dry ether. The resultant solution is treated with dry ice and acidified.The product formed at the end is
(A) Benzoic acid
(B)o-Bromobenzoic acid
(C) Benzoyl bromide
(D) Benzyl alcohol

When borax is treated with aqueous solution of "HCl" the product formed is (A) Pyroboric acid (B) Orthoboric acid (C) Metabolic acid (D) Boric anhydride

Write the preparation of benzoic acid from the following : (a) styrene (b) benzamide (c) dry ice

Arrange the following acids in order of the increasing acidity: A= o-nitro benzoic acid, B = p-nitro benzoic acid, C= p-hydroxy benzoic acid, D= benzoic acid

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains

Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains -

What happens when (i) n-butyl chloride is treated with alcoholic KOH, (ii) bromobenzene is treated with Mg in the presence of dry ether, (iii) chlorobenzene is subjected to hydrolysis, (iv) ethyl chloride is treated with aqueous KOH, (v) methyl bromide is treated with sodium in the presence of dry ether, (vi) methyl chloride is treated with KCN?