Propene was oxidised by aqueous `KMnO_(4)` to give a compound (A), Treatment of compound (A) with thionyl chloride gave:

Acetylene when oxidised with alk. KMnO_(4) gives :

Unknown compound (A) on oxidation with hot basic KMnO_(4) gives only one compound whose structure is given below, Compound (A) will be:

Ethanol react with thionyl chloride to give ethyl chloride and

An organic compound [A] is C_(5)H_(8)O_(3). On heating with soda lime, it gives [B]. The compound [B] reacts with HCN to give another compound [C] which reacts with thionyl chloride to produce [D]. When the compound [A] is heated with potassium dichromate the product is acetic acid and malonic acid. The compound [A] is a

An organic compound [A] is C_(5)H_(8)O_(3). On heating with soda lime, it gives [B]. The compound [B] reacts with HCN to give another compound [C] which reacts with thionyl chloride to produce [D]. When the compound [A] is heated with potassium dichromate the product is acetic acid and malonic acid. The structure of compound [A] is :

The compounds which get oxidised by alkaline KMnO_4 to form benzoic acid are-