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Answer :

Answer:CnH2n+1OH → CnH2n + H2O

CH2OH-CH2OH → CH3CHO + H2O

CH2OH-CHOH-CH2OH → CH2=CH-CHO + 2H2O

ROH + ROH → ROR + H2O

ROH + R’OH → ROR’ + H2O

Explanation: