1.

Which of the following combination of reagents can bring the given transformation ?

Answer»

MG/ether, `PhCHO.//Delta, (CH_(2)OH)_(2)//H^(+),H_(3)O^(+)`
`(CH_(2)OH)_(2).//H^(+),PhCHO.//Delta,H_(3)O^(+)`
`alc. KOH,PhCHO.//Delta, Mg//"ether",H_(3)O^(+)`
`(CH_(2)OH)_(2)//H^(+),Mg//"ether",PhCHO.//Detla, H_(3)^(+)O`

Answer :D


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