比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
举一反三
- 比较C≡C(I),C=C(II),C─C(III),C=C─C=C(IV)的键长次序为:
- 比较C≡C(I), C=C(II), C─C(III), C=C─C=C 中的C2-C3 (IV)的键长次序为
- 比较C≡C, C=C, C─C, C=C─C=C的键长次序为: C=C─C=C>C─C> C≡C >C=C|C=C─C=C>C─C>C=C>C≡C|C≡C>C=C>C─C>C=C─C=C|C─C>C=C>C=C─C=C>C≡C|C─C>C=C─C=C>C=C>C≡C
- 比较C≡C(I), C=C(II), C─C(III), C=C─C=C(IV)的键长次序为( ) A: I>II>III>IV B: III>II>IV>I C: III>IV>II>I D: IV>III>II>I
- 比较C≡C(I), C=C(II), C-C(III), C=C-C=C(IV)的键长次序为 A: I>II>III>IV B: III>II>IV>I C: III>IV>II>I D: IV>III>II>I