Question

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an organic compound X having molecular formula C5H10O
Yields phenylhydrazone and gives negative response to the to idoform test and tolance test. It Produces n-pentane on reduction...
X could be??????


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Answer 1

X gives phenylhydrazone So Carbonyl group is present

It gives negative idoform

So it will not be methyl ketone

C5H10O

ch3 - c - c- c- ch3

here O can't come in second from first and last else it forms methyl ketone

So it would be midway

ch3 - ch2 - CO - ch2 - ch3

pent-3-one