Arrange the following species in decreasing order, towards electrophilic addition reaction:
(I) $P h_{2} C = C H_{2}$
(II) Ph-CH = CHPh
(III) Ph-CH = CHMe

I > III > II

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

III > II > I

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I > II> III

No worries! We‘ve got your back. Try BYJU‘S free classes today!

I = II> III

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A I > III > II
As the stability of carbocation increases, rate of the electrophilic addition increases.
Stability of carbocation $= (+ R > + H > + I) \propto \frac{1}{(- R > - H - I)}$
(i)
(ii)
(iii)

Suggest Corrections

Similar questions

P h_{2} C = C H_{2}

p K_{a}

C H \equiv C H

(i) C H_{3} - + C H - C H_{2} - O C H_{3}

(i i) C H_{3} - + C H - C H_{2} - C H_{3}

(i i i) C H_{3} - + C H - O | | C - C H_{3}

(i) H C O O H (i i) P h - C O O H (i i i) P h - O H

(i v) C H_{3} C O O H

p K_{b}

I . H C \equiv C^{⊖} I I . ⊖ N H_{2} I I I . ⊖ C H_{3}

Join BYJU'S Learning Program