Please answer 11th question fast

Dear Student,

Oxidation is loss of electron and Reduction is loss of electron. Due to oxidation oxidation number increases and due to reduction oxidation no. decreases.
a.
i. Oxidation
ii. Reduction
iii. Reduction
iv  Oxidation
v. . Oxidation
vi. Reduction
vii. Reduction
viii. Reduction

b.
i. Oxidation
ii. Reduction
iii. Reduction
iv. Oxidation

Regards