下列气态卤化氢中,分子偶极矩变小的顺序为( )。
2023-05-14
A.HC.l,HB.r,HI,HF
B.HI,HB.r,HC.l,HF
C.HF,HC.l,HB.r,HI
D.HB.r,HC.l,HF,HI
参考答案:C
B.HI,HB.r,HC.l,HF
C.HF,HC.l,HB.r,HI
D.HB.r,HC.l,HF,HI
参考答案:C
对A-B型分子而言,键的极性越小,其偶极矩越小
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