Chemistry - ALCOHOL & ETHER Question with Solution | TestHub

ChemistryALCOHOL & ETHEROXIDATION OF ORGANIC COPMOUNDSMedium2 minQB

ChemistryMediumsingle choice

Moles of $Cr O_{3}$ required to oxidise 6 mole of 2-methylhexan-2,6-diol fully to the carboxylic acid (primary $OH$ to $COOH$ ), with Cr(VI) reduced to Cr(III), are:

Options:

Answer:

Solution:

The tertiary $OH$ is normally unchanged. Oxidation of each primary $C H_{2} OH$ to $COOH$ loses four electrons; Cr(VI) to Cr(III) accepts three. For six moles, $Cr O_{3}$ required = 6 x 4/3 = 8 mol. Correct choice: D.

Stream:JEESubject:ChemistryTopic:ALCOHOL & ETHERSubtopic:OXIDATION OF ORGANIC COPMOUNDS

⏱ 2mℹ️ Source: QB

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