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MHT CET 202623 AprilEvening Shift
Exam
MHT CET
Year
2026
Date
23 April
Shift
Evening Shift
Subject
Chemistry
Chapter
Amines

MHT CET 2026 · 23 April · Evening Shift · Chemistry · Amines

Which of the following statments is NOT correct for benzene...

Which of the following statments is NOT correct for benzene sulfonyl chloride?

Options

  1. AIt is known as Hinsberg's reagent.
  2. BIt is use to distiguish primary and secondary amines.
  3. COn treatement with secondary amines, it leads to product that is soluble in alkali.
  4. DIt does not react with tertiary amines.

Correct answer

C. On treatement with secondary amines, it leads to product that is soluble in alkali.

Step-by-step solution

Benzene sulfonyl chloride (C_6H_5SO_2Cl)isknownasHinsberg′sreagent.<br><br>ItreactswithprimaryaminestoformN−alkylbenzenesulfonamide,whichcontainsanacidichydrogenattachedtonitrogenandisthereforesolubleinalkali.<br><br>ItreactswithsecondaryaminestoformN,N−dialkylbenzenesulfonamide.Sincethereisnoacidichydrogenattachedtothenitrogenatom,thisproductisinsolubleinalkali.<br><br>Itdoesnotreactwithtertiaryamines.<br><br>Thus,thestatementthatitleadstoaproductsolubleinalkaliontreatmentwithsecondaryaminesisincorrect.<br><br>Answer:Ontreatementwithsecondaryamines,itleadstoproductthatissolubleinalkali.) is known as Hinsberg's reagent.<br><br>It reacts with primary amines to form N-alkylbenzenesulfonamide, which contains an acidic hydrogen attached to nitrogen and is therefore soluble in alkali.<br><br>It reacts with secondary amines to form N,N-dialkylbenzenesulfonamide. Since there is no acidic hydrogen attached to the nitrogen atom, this product is insoluble in alkali.<br><br>It does not react with tertiary amines.<br><br>Thus, the statement that it leads to a product soluble in alkali on treatment with secondary amines is incorrect.<br><br>Answer: On treatement with secondary amines, it leads to product that is soluble in alkali.
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