Question:
Chlorobenzene on heating with concentrated HNO\(_3\) in presence of concentrated H\(_2\)SO\(_4\) gives
Chlorobenzene on heating with concentrated HNO\(_3\) in presence of concentrated H\(_2\)SO\(_4\) gives
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Halogens are deactivating but ortho/para directing. Para product is usually major due to steric reasons.
Updated On: Jun 4, 2026
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Question:
Nitration of chlorobenzene using conc. HNO\(_3\)/H\(_2\)SO\(_4\).
Step 2: Key Formula or Approach:
Chlorine is ortho/para directing. The major product is a mixture, but para isomer is often the predominant mononitration product.
Step 3: Detailed Explanation:
The nitronium ion attacks at ortho and para positions. The para product is less sterically hindered and is the major product. The structure in option (B) shows the correct para-nitrochlorobenzene.
Step 4: Final Answer:
Option (B) is correct.
Nitration of chlorobenzene using conc. HNO\(_3\)/H\(_2\)SO\(_4\).
Step 2: Key Formula or Approach:
Chlorine is ortho/para directing. The major product is a mixture, but para isomer is often the predominant mononitration product.
Step 3: Detailed Explanation:
The nitronium ion attacks at ortho and para positions. The para product is less sterically hindered and is the major product. The structure in option (B) shows the correct para-nitrochlorobenzene.
Step 4: Final Answer:
Option (B) is correct.
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