question_answer

An organic liquid A containing \[C,H\] and O has a pleasant odour with a boiling point of \[{{78}^{o}}C\] On boiling A with conc. \[{{H}_{2}}S{{O}_{4}}\] a colourless gas is produced which decolourises bromine water and alkaline \[KMn{{O}_{4}}.\] One mole of this gas also takes one mole of \[{{H}_{2}}.\] The organic liquid A is [KCET 1993]

A)                 \[{{C}_{2}}{{H}_{5}}Cl\]

B)                 \[{{C}_{2}}{{H}_{5}}CHO\]

C)                 \[{{C}_{2}}{{H}_{6}}\]    

D)                 \[{{C}_{2}}{{H}_{5}}OH\]