Assertion: Water is liquid but $H_{2} S$ is a gas.

Reason: Oxygen is paramagnetic.

Both Assertion and Reason are true and Reason is a correct explanation of the Assertion

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Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion

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Assertion is true and Reason is false

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Assertion and Reason are false

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Assertion is false and Reason is true

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Solution

The correct option is C Both Assertion and Reason are true but Reason is not a correct explanation of the Assertion
Water is liquid but $H_{2} S$ is gas due to hydrogen bond in water.

Gaseous oxygen is paramagnetic. The reason that it is paramagnetic is because the oxygen molecule has two unpaired electrons.

Reason does not justify the assertion.

Hence, assertion and reason are true and reason is not a correct explanation of the assertion.

Therefore, the correct option is B.

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Assertion: Water is liquid but H2S is a gas.Reason: Oxygen is paramagnetic.

Assertion: Water is liquid but $H_{2} S$ is a gas.

Reason: Oxygen is paramagnetic.