CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

Give the decreasing order of hyperconjugative effect of R in RCH=CH2, where R is:
I. Me II. Et III. Me2CH IV. Me3C

A
I > II > III > IV
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
IV > III > II > I
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
II > I > III > IV
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
IV > III > I > II
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A I > II > III > IV
MeCH=CH2 (where Me=CH3) has 3 α-H, EtCH=CH2 (where Et=CH3CH2) has 2 α-H, Me2CHCH=CH2 has 1 α-H, and Me3CCH=CH2 has no α-H. Therefore, the decreasing order of hyperconjugative effect of R will be:
I > II > III > IV

flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
Join BYJU'S Learning Program
CrossIcon