Question

Pick the odd one out giving reasons [10 marks] c)K 2 O , Na 2 O , N 2 O , CaO

Answer 1

Answer:

N2O is the odd one out

Explanation:

This is because other oxides are of metals(K,Na,Ca)

N2O is a non metallic oxide.

For class 12th only:

N2O is a neutral oxide whereas others are basic in nature.

Answer 2

Answer:

N₂O is the odd one out.

Explanation:

N₂O - Nitrous Oxide (Laughing Gas)

K₂O - Potassium Oxide

Na₂O - Sodium Oxide

CaO - Calcium Oxide

Nitrous Oxide is oxidised non-metal (nitrogen) whereas others are oxidised metals.

<hope it helps>