Subject: Inorganic Chemistry · Chapter: Main Group Elements · Topic: Main Group Elements – General · Exam: CSIR-NET JUNE 2013 · Marks: 2 · Difficulty: Easy
Flame proof fabrices contain
(a)$\mathrm{H_2NC(O)NH_2.Na_2SO_4}$
(b)$\mathrm{H_2NC(S)NH_2.Na_2SO_4}$
(c)$\mathrm{H_2NC(O)NH_2.H_3PO_4}$
(d)$\mathrm{H_2NC(S)NH_2.H_3PO_4}$
Answer
Answer (as printed): C
Explanation
The flameproof fabrics contain urea and phosphoric acid: $\mathrm{H_2NC(O)NH_2 \cdot H_3PO_4}$