| Read the assertion and reason carefully to mark the correct option out of the options given below: |
| Assertion: Benzene forms benzene sulphonic acid with fuming \[{{H}_{2}}S{{O}_{4}}\] at high temperature. |
| Reason: The attacking species is \[S{{O}_{3}}\]. |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: E
Solution :
[e] With fuming \[{{H}_{2}}S{{O}_{4}}\] or oleum\[(\text{conc}\text{. }{{H}_{2}}S{{O}_{4}}+S{{O}_{3}})\] at high temperature benzene forms m-benzene disulphonic acid.
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