Medium MCQ +4 / -1 PYQ · JEE Mains 2022

Match List - I with List - II.

List - I
(Si-Compounds)
List - II
(Si-Polymeric/Other Products
(A) ${(C{H_3})_4}Si$ (I) Chain Silicone
(B) $(C{H_3})Si{(OH)_3}$ (II) Dimeric Silicone
(C) ${(C{H_3})_2}Si{(OH)_2}$ (III) Silane
(D) ${(C{H_3})_3}Si(OH)$ (IV) 2D - Silicone

Choose the correct answer from the options given below :

  1. A (A) - (III), (B) - (II), (C) - (I), (D) - (IV)
  2. B (A) - (IV), (B) - (I), (C) - (II), (D) - (III)
  3. C (A) - (II), (B) - (I), (C) - (IV), (D) - (III)
  4. D (A) - (III), (B) - (IV), (C) - (I), (D) - (II) Correct answer

Solution

(CH<sub>3</sub>)<sub>4</sub>Si is a silane.<br/><br/> (CH<sub>3</sub>)Si(OH)<sub>3</sub> polymerise to form 2D silicone.<br/><br/> (CH<sub>3</sub>)<sub>2</sub>Si(OH)<sub>2</sub> polymerise to form chain silicone.<br/><br/> (CH<sub>3</sub>)<sub>3</sub>Si(OH) form dimer (CH<sub>3</sub>)<sub>3</sub>Si-O-Si(CH<sub>3</sub>)<sub>3</sub>

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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