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Which reagent can be used to convert, halides, alcohols, carbonyl compounds, acids, etc., to alkanes?

Option: 1

Zn-Hg/HCl


Option: 2

Red\ P+HI


Option: 3

LiAlH_4


Option: 4

None of these


Answers (1)

best_answer

Red P+HI is a strong reducing agent.

CH_3CH_2OH+2HI\rightarrow CH_3-CH_3+H_2O+I_2

CH_3CHO+4HI\rightarrow CH_3-CH_3+H_2O+2I_2

CH_3COCH_3+4HI\rightarrow CH_3-CH_2-CH_3+H_2O+2I_2

CH_3COOH+6HI\rightarrow CH_3-CH_3+2H_2O+3I_2

Therefore, option (2) is correct.

Posted by

manish

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