Question

C₆H₁₄中含有3個“—CH₃”的結(jié)構(gòu)種數(shù)

1. A.
   1
2. B.
   2
3. C.
   3
4. D.
   4

Answer 1

B
分子式為C₆H₁₄可知為烷烴,有2種：
CH3-CH-CH2-CH2-CH3          ,CH3-CH2-CH-CH2-CH3        
|                                |                                   
CH3                              CH3                             
B正確。故本題選B。