During a quantitative analytical procedure, exactly of pure glycerol (propane-1,2,3-triol) is subjected to complete oxidative cleavage by an excess of periodic acid (). Exactly how many moles of are p

Question

During a quantitative analytical procedure, exactly $1 	ext{ mole}$ of pure glycerol (propane-1,2,3-triol) is subjected to complete oxidative cleavage by an excess of periodic acid ($HIO_4$). Exactly how many moles of $HIO_4$ are permanently consumed in this cleavage process?

Prashant Kotian · Accepted Answer

Correct answer: 2. Glycerol () contains two vicinal diol linkages. Periodic acid cleaves the bonds between adjacent hydroxyl-bearing carbons. Breaking the two bonds in the three-carbon chain of glycerol requires exactly 2 equivalents (moles) of .

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