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  4. A compound A arrow C5 H10 C l2 on hydrolysis gives C5 H10 O which reacts with NH 2 OH, forms iodoform, but does not give Fehling test. A is:

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Q. A compound $A \rightarrow C_{5} H_{10} C l_{2}$ on hydrolysis gives $C_{5} H_{10} O$ which reacts with $NH _{2} OH$, forms iodoform, but does not give Fehling test. A is:

Delhi UMET/DPMTDelhi UMET/DPMT 2005Aldehydes Ketones and Carboxylic Acids

Solution:

(i) $C_{5} H_{10} O$ must be aldehyde or ketone because it reacts with $N H_{2} OH$.
(ii) It must be aldehyde as it does not give Fehling test.
(iii) It must have $CH _{2} CO$ group because it gives iodoform test.
image $\underset{(A)}{C_2H_{10}Cl_2}$

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