A compound is soluble in concentrated {H_2SO_ | vedclass

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(D) $1$. The compound is soluble in concentrated ${H_2SO_4}$,which indicates it is an alcohol or an ether.$2$. It does not decolorize bromine in ${CCl

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Primary alcohol

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(D) $1$. The compound is soluble in concentrated ${H_2SO_4}$,which indicates it is an alcohol or an ether.$2$. It does not decolorize bromine in ${CCl_4}$,meaning it is a saturated compound (no $C=C$ double bonds).$3$. The reaction with chromic anhydride (${CrO_3}$ in ${H_2SO_4}$,known as the Jones reagent) causes a rapid color change from orange to blue/green. This is a characteristic test for primary and secondary alcohols.$4$. Primary and secondary alcohols are oxidized rapidly by the Jones reagent. However,the specific observation of the solution turning blue,green,and then opaque is a classic qualitative test result for a primary alcohol,which is oxidized to an aldehyde and then to a carboxylic acid,often forming complex chromium species.

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