Question contains Statement-1 and Statement-2 and has the following choices (a), (b), (c) and (d), out of which ONLY ONE is correct. (a) Statement- 1 is True, Statement- 2 is True; Statement- 2 is a correct explanation for Statement-1 (b) Statement- 1 is True, Statement- 2 is True; Statement- 2 is NOT a correct explanation for Statement-1 (c) Statement- 1 is True, Statement- 2 is False (d) Statement-1 is False, Statement- 2 is True Statement 1 Alkynes are more reactive than alkenes in electrophilic addition reactions. and Statement 2 Electrophilic addition to both alkenes and alkynes involve a three membered cyclic intermediate and the bromonium ion type intermediate is less stable for an alkyne than for an alkene.

Step by step solution

01

Determine the correctness of Statement 1

Here, we need to determine whether alkynes are more reactive than alkenes in electrophilic addition reactions or not. Since alkynes are electron-rich and have greater electron density due to the triple bond, they are more reactive than alkenes in electrophilic addition reactions. So, Statement 1 is True.

02

Determine the correctness of Statement 2

Now, we need to determine whether electrophilic addition to both alkenes and alkynes involves a three-membered cyclic intermediate and that the bromonium ion type intermediate is less stable for an alkyne than for an alkene. In electrophilic addition reactions, indeed, a three-membered cyclic intermediate, such as a bromonium ion, forms as a result of the electrophile attacking the carbon-carbon double or triple bond. However, due to the greater electronegativity difference between the carbon atoms in an alkyne versus an alkene, a bromonium ion-type intermediate is less stable for alkynes. Therefore, Statement 2 is True.

03

Determine whether Statement 2 is a correct explanation for Statement 1

As we have established that alkynes are more reactive in electrophilic addition reactions due to their greater electron density, and we know that electrophilic addition involves a three-membered cyclic intermediate that is less stable for alkynes, we can say that Statement 2 provides a correct explanation for Statement 1. Both the statements are true, and Statement 2 is a correct explanation for Statement 1. Therefore, the answer is (a) Statement- 1 is True, Statement- 2 is True; Statement- 2 is a correct explanation for Statement-1.

Unlock Step-by-Step Solutions & Ace Your Exams!

• Full Textbook Solutions

  Get detailed explanations and key concepts

• Unlimited Al creation

  Al flashcards, explanations, exams and more...

• Ads-free access

  To over 500 millions flashcards

• Money-back guarantee

  We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!