When isobutane is treated with `Cl_(2)` in sunlight then major product is:

Benzene reacts with Cl_(2) in sunlight to give a final product

A : When isobutane-is-reacted with Cl_(2) in presence of sunlight then CH_(3)-overset(CH_(3))overset(|)CH-CH_(3)Cl is formed in high percentage. R : The reactivity of 1^(@), 2^(@) “and” 3^(@) H-atoms towards chlorine are 1 : 3.8 : 5 respectively.

When 2-Bromobutane is treated with KOH(alc) the major product is

When 2-chlorobutane is treated with alcoholic KOH,the major product formed is____.

When phenol is treated with CHCl_(3) and NaOH , the major product formed is

When silver propionate is treated with Br_(2) in C Cl_(4) as solvent, the product is