Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter treatment with aqueous KOH yields compound F. Compound F is

Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on further treatment with aqueous KOH yields compound F. Compound F is

How many of the following on heating with aqueous KOH, give carbonyl compound

Aniline is treated with bromine water to give an organic compound ‘X’ which when treated with NaNO_2 and HCl at 0^@C gives a water soluble compound ‘Y’. Compound ‘Y’ on treatment with Cu_2Cl_2 and HCl gives compound ‘Z’. Compound ‘Z’ is F