By Side Chain Chlorination Followed By Hydrolysis

When is treated with followed by hydrolysis, the product is :

Reaction of with RMgX followed by hydrolysis produces

In the following questions, a statement of assertion (A) is following by a statement of reason (R ) A : Ethylidene chloride on alkaline hydrolysis gives acetaidehyde. R: Two chlorine atoms attached with adjacent carbon atom in alkylidene chloride .

Sulphur reacts with chlorine in 1:2 ration and forms X . Hydrolysis of X gives a sulphur compound Y. what is the structure and hybridisation of anion of Y