Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Hydrocarbons
0 votes

Which of the following species participate in sulphonation of benzene ring?

$\begin{array}{1 1}(a)\;H_2SO_4\\(b)\; SO_3\\(c)\;HSO_3\\(d)\;SO_2^-\end{array}$

Can you answer this question?

1 Answer

0 votes
Most electrophilic substitution reactions are irreversible but sulphonation is an exception.Treatment of benzene with "oleum"(a solution of $SO_3$ in conc.sulphutic acid) will give the sulphonic acid,the electrophile is sulphur trioxide$(SO_3)$
Hence (b) is the correct answer.
answered Mar 18, 2014 by sreemathi.v
Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App