The treatment of a compound X with HIO4 produces CH3CHO and CH3CH2CHO. The compound X is :
A
CH3CH=CHCH2CH3
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B
CH3CH(OH)CH(OH)CH2CH3
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C
CH3CH=CHCH=CH2
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D
CH3CH(OH)CH2CHO
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Solution
The correct option is BCH3CH(OH)CH(OH)CH2CH3 Periodic acid (HIO4) cleaves 1,2 diols to aldehydes and ketones. So, it will react with 2,3-pentadiol to form ethanal and propanal. The reaction is: CH3CH(OH)CH(OH)CH2CH3HIO4−−−→CH3CHO+CH3CH2CHO