Column I Column II A Intermolecular redox change 1 CO 2+ C arrow 2 CO B Intramolecular redox change 2 As 2 O 3+3 H 2 S C Auto-redox change 3 KClO 4 arrow KCl +2 O 2 D Precipitation 4 C 3 O 2 arrow CO 2+2 C

Question

Column I Column II A Intermolecular redox change 1 CO 2+ C arrow 2 CO B Intramolecular redox change 2 As 2 O 3+3 H 2 S C Auto-redox change 3 KClO 4 arrow KCl +2 O 2 D Precipitation 4 C 3 O 2 arrow CO 2+2 C (A) A= 3 ,B= 1 ,C= 4 ,D= 2 (B) A= 3 ,B=2 ,C=4 ,D= 1 (C) A= 1 ,B=3 ,C=4 ,D= 2 (D) A= 4 ,B=2,C= 1 ,D= 3

Tardigrade Admin · Accepted Answer

Correct answer is (c) A= 1 ,B=3 ,C=4 ,D= 2

Column I		Column II
A	Intermolecular redox change	1	$C O_{2} + C \to 2 CO$
B	Intramolecular redox change	2	$A s_{2} O_{3} + 3 H_{2} S$
C	Auto-redox change	3	$K Cl O_{4} \to K Cl + 2 O_{2}$
D	Precipitation	4	$C_{3} O_{2} \to C O_{2} + 2 C$

Q. Column I Column II A Intermolecular redox change 1 CO2​+C→2CO B Intramolecular redox change 2 As2​O3​+3H2​S C Auto-redox change 3 KClO4​→KCl+2O2​ D Precipitation 4 C3​O2​→CO2​+2C

A= 3 ,B= 1 ,C= 4 ,D= 2

A= 3 ,B=2 ,C=4 ,D= 1

A= 1 ,B=3 ,C=4 ,D= 2

A= 4 ,B=2,C= 1 ,D= 3

Correct answer is (c) A= 1 ,B=3 ,C=4 ,D= 2

Q.

Column I Column II

A Intermolecular redox change 1 $C O_{2} + C \to 2 CO$

B Intramolecular redox change 2 $A s_{2} O_{3} + 3 H_{2} S$

C Auto-redox change 3 $K Cl O_{4} \to K Cl + 2 O_{2}$

D Precipitation 4 $C_{3} O_{2} \to C O_{2} + 2 C$