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Question

1,2,3 butanetriol undergoes oxidative cleavage of HIO4. During this process:

A
1 equivalent of HIO4 is consumed and HCO2H & H3CO||CCO2H are formed

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B
2 equivalents of HIO4 are consumed and HCO2H,HO||CH & H3CO||CH are formed
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C
3 equivalents of HIO4 are consumed and HCO2H (2 eq.) and 1 eq. of CH3CO2H are formed
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D
2 equivalents of HIO4 consumed and 2 eq. of HCO2H and 1 eq. of H3CO||CH are formed
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Solution

The correct option is B 2 equivalents of HIO4 are consumed and HCO2H,HO||CH & H3CO||CH are formed
Oxidative cleavage by HIO4 coverts vicinal diols to corresponding carbonyl functional groups. This reaction is also called as Malaprade reaction.



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