Q81 · CSIR-NET Chemistry, June 2011

Paper: CSIR-NET June 2011 · Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Phosphazenes Sn Compounds · Marks: 2 · Difficulty: Medium

Match List-I (compounds) with List-II (application) and select the correct answer using the codes given below the lists.
List 1List 2
(A) Tri sodium phosphate(i) Plasticizer
(B) Tri aryl phosphates(ii) Water softener
(C) Tri ethyl phosphate(iii) Toothpaste
(D) Calcium hydrogen phosphate(iv) Insecticides
(a)(A)-ii (B)-i (C)-iv (D)-iii
(b)(A)-i (B)-ii (C)-iv (D)-iii
(c)(A)ii- (B)-iii (C)-iv (D)-i
(d)(A)-iii (B)-i (C)-ii (D)-iv
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Na₃PO₄ is a water softener, triaryl phosphates are plasticisers, triethyl phosphate is used in insecticides, and CaHPO₄ is in toothpaste (a).

Study loop for Main Group Elements

1. Practise the PYQsPrevious-year questions, with answers

· Browse this chapter in the app