A) \[-\,H<-\,C{{H}_{3}}<-\,{{C}_{2}}{{H}_{5}}\,<-\,{{C}_{3}}{{H}_{7}}\]
B) \[-H>-C{{H}_{3}}>-{{C}_{2}}{{H}_{5}}\,>-{{C}_{3}}{{H}_{7}}\]
C) \[-H<-\,{{C}_{2}}{{H}_{5}}<-\,C{{H}_{3}}<-\,{{C}_{3}}{{H}_{7}}\]
D) \[-H>-\,{{C}_{2}}{{H}_{5}}>-\,C{{H}_{3}}>-\,{{C}_{3}}{{H}_{7}}\]
Correct Answer: A
Solution :
The order of +I effect of alkyl group is given as \[-\operatorname{H}<-CH3<-C{{H}_{2}}-C{{H}_{3}}<C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-\]
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