A diol $C X_{6} H X_{14} O X_{2}$ consumes exactly one mole of $HIO X_{4}$ per mole and gives a single organic product, which gives a positive iodoform test and does not reduce Tollens reagent. The diol is

Ahexane-1,2-diol
Bhexane-3,4-diol
C2,3-dimethylbutane-2,3-diol
Dhexane-2,3-diol

Answer: C

Hexane-3,4-diol gives propanal (Tollens positive, iodoform negative), hexane-2,3-diol gives two products (ethanal and butanal) and hexane-1,2-diol gives pentanal and methanal. Pinacol gives only propanone, which has a CH3CO group (iodoform positive) and does not reduce Tollens reagent.

Practice Reduction, Oxidation and Hydrolysis in Organic Chemistry More on Periodic acid and lead tetraacetate cleavage

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A diol CX6​HX14​OX2​ consumes exactly one mole of HIOX4​ per mole and gives a single organic product, which gives a positive iodoform test and does not reduce Tollens reagent. The diol is

Answer: C

More questions on Periodic acid and lead tetraacetate cleavage

A diol $C X_{6} H X_{14} O X_{2}$ consumes exactly one mole of $HIO X_{4}$ per mole and gives a single organic product, which gives a positive iodoform test and does not reduce Tollens reagent. The diol is