Question

Choose the odd word out and give reasons for your answer -
(i) Hydrogen, Ozone, Nitrogen, Oxygen.
(ii) Hydroxide ion, Bicarbonate ion, Nitrate ion, Ammonium ion.

Answer 1

Explanation:

(i) Hydrogen, Ozone, Nitrogen, Oxygen.

Ozone

Reason -

All the gases present in this question consists of Diatomic molecule But the Ozone consists of Triatomic molecules.

So,

Here Ozone (O3) is odd one out.

(ii) Hydroxide ion, Bicarbonate ion, Nitrate ion, Ammonium ion.

Ammonium ion

Reason -

All ions present in this question consists of negative charges but Ammonium ion consists of positive charges.

So,

Here Ammonium ion (NH4^+) is odd one out.

Answer 2

1. ozone becz all are doiatomic and it is triatomic
2. ammunioum ion becz all are negetive charges but it is positive charges .

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