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JEE Main Chemistry question

ChemistryAldehydes, Ketones and Carboxylic AcidsJEE Main

In the following two periodate-cleavage reactions, what is the sum of moles of formic acid produced? (i) A tetraol (four consecutive groups capped by and ) reacts with 4 moles of to give formic acid and formaldehyde fragments. (ii) A related pentaol-type chain reacts with 5 moles of to give formic acid and formaldehyde fragments.

Answer: 8

Solution

Periodate cleaves each C–C bond between adjacent hydroxyl/carbonyl-bearing carbons; working through reaction (i), the cleavage pattern releases a total of 4 moles of formic acid (along with formaldehyde as the

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Question ID VK-149002