Which of the following are not cleaved by HIO | vedclass

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(D) $HIO_4$ (periodic acid) cleaves compounds containing vicinal diols ($-OH$ groups on adjacent carbons).$I :$ Glycerol $(CH_2OH-CHOH-CH_2OH)$ contai

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$III, IV$

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(D) $HIO_4$ (periodic acid) cleaves compounds containing vicinal diols ($-OH$ groups on adjacent carbons).$I :$ Glycerol $(CH_2OH-CHOH-CH_2OH)$ contains vicinal diols and is cleaved.$II :$ Glycol $(CH_2OH-CH_2OH)$ contains vicinal diols and is cleaved.$III :$ $1,3-$propanediol $(CH_2OH-CH_2-CH_2OH)$ does not have vicinal diols ($-OH$ groups are on $C_1$ and $C_3$),so it is not cleaved.$IV :$ Methoxy$-2-$propanol $(CH_3OCH_2-CHOH-CH_3)$ is an ether and does not contain vicinal diols,so it is not cleaved.Therefore,$III$ and $IV$ are not cleaved by $HIO_4$.

Which of the following are not cleaved by $HIO_4$?
$I :$ glycerol
$II :$ glycol
$III :$ $1,3-$propanediol
$IV :$ methoxy$-2-$propanol

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Which of the following are not cleaved by $HIO_4$?$I :$ glycerol$II :$ glycol$III :$ $1,3-$propanediol$IV :$ methoxy$-2-$propanol