問題詳情

71. Which of the following statement is incorrect about hydrocarbons?
(A) Breaking the C─H bonds separately of CH4 requires different energies.
(B) The average C─H bond energy of CH4 is higher than that of H─H.
(C) Hydrocarbons are hydrophobic.
(D) Longer alkanes are with higher viscosities than shorter ones.
(E) Branched alkanes are with lower boiling points than their corresponding straight isomers.

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