Question

gaseous substance dissolves in water giving a apale blue solution which decolourises
KMnO4 and oxidizes Kl tol2 gaseous substance is
(A) N2O5
(B) NH3
(C) N203
(D) HNO3

Answer 1

Answer :

C

Solution :

N2O3+H2O→ΔHNO2, 2KMnO4+5KNO2+6HCI→2MnCl2+5KNO3+3H2O+2KCl

2Kl+2HNO2+2hcl→2H2O+2NO+3KCL+L2

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