Redox: OA & RA

Question 1

acidified permanganate, MnO4 / H+

Answer 1

Mn2+ (oxidizing agent)

Question 2

sulphur dioxide, SO2

Answer 2

SO4 2- (reducing agent)

Question 3

sulphites, SO3 2-

Answer 3

SO4 2- (reducing agent)

Question 4

iodides, I-

Answer 4

I2 (reducing agent)

Question 5

bromides, Br-

Answer 5

Br2(reducing agent)

Question 6

chlorides, Cl-

Answer 6

Cl2 (reducing agent)

Question 7

iron (II) salts, Fe2+

Answer 7

Fe3+ (reducing agent)

Question 8

hydrogen, H2

Answer 8

H+ (reducing agent)

Question 9

carbon, C

Answer 9

CO (reducing agent)

Question 10

carbon monoxide, CO

Answer 10

CO2 (reducing agent)

Question 11

acidified dichromate, Cr2O7 2-

Answer 11

Cr3+ (oxidizing agent)

Question 12

dilute nitric acid, NO3 -

Answer 12

NO (oxidizing agent)

Question 13

concentrated nitric acid, NO3-

Answer 13

NO2 (oxidizing agent)

Question 14

concentrated sulphuric acid, SO4 2-

Answer 14

SO2 (oxidizing agent)

Question 15

iron (III) salts, Fe3+

Answer 15

Fe2+ (oxidizing agent)

Question 16

chlorine, Cl2

Answer 16

Cl- (oxidizing agent)

Question 17

bromine, Br2

Answer 17

Br- (oxidizing agent)

Question 18

iodine, I2

Answer 18

I- (oxidizing agent)

Question 19

oxygen, O2

Answer 19

H2O (oxidizing agent)