Give an example of poly nuclear aromatice compound. Write one merit and onedimesti of wurtz reaction. Shall methane can be synthesie using kolbe electrolyris process?

Why CO Can't be dried using comes H_2SO_4 ? Give an example of a reaction in which the product formed is a liquid by the reaction for Mond process for thp extraction of it.

When chromite ore FeCr_(2)O_(4) is fused with NaOH in presence of air, a yellow coloured compound (A) is obtained which on acidification with dilute sulphuric acid gives compound (B). Compound (B) on reaction with KCl forms an orange colured crystalline compound (C ). Write one use of compound (C ).