1.

Which of the following combination can be used to synthesise ethanol?A. `CH_(3)MGgI and CH_(3)COCH_(3)`B. `CH_(3)MgI and C_(2)H_(5)OH`C. `CH_(3)MgI and CH_(3)COOC_(2)H_(5)`D. `CH_(3)MgI and HCHO`

Answer» Correct Answer - D
When HCHO reacts with `CH_(3)Mgl`, ethanol is formed.
`HCHO+CH_(3)Mgl rarr H-overset(H)overset(|)underset(CH_(3))underset("| ")"C "-overset(-)Ooverset(+)Mgl overset(H_(2)O //H^(+))rarr CH_(3)CH_(2)OH+Mg(OH)Br`


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