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Standard XII

Chemistry

Extraction of Copper

Assertion :So...

Question

Assertion :Sodium reacts with water, producing a hissing sound. Reason: Sodium reacts with water and produces hydrogen gas.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

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Both Assertion and Reason are correct, but Reason is not the correct explanation for Assertion.

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Assertion is correct, but Reason is incorrect.

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Assertion is incorrect, but Reason is correct.

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Sodium reacts with water forming Sodium hydroxide and liberates hydrogen gas producing a hissing sound.

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Similar questions

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Assertion (A) Order of the reaction can be zero or fractional.

Reason (R) We cannot determine order from balanced chemical equation.

(a) Both assertion and reason are correct and the reason is correct explanation of assertion
(b) Both assertion and reason are correct, but reason does not explain assertion.
(c) Assertion is correct, but reason is incorrect
(d) Both assertion and reason are incorrect
(e) Assertion is incorrect but reason is correct.

Assertion (A) Ethanol is a weaker acid than phenol.
Reason (R) Sodium ethoxide may be prepared by the reaction of ethanol with aqueous NaOH.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :Sodium reacts with water, producing a hissing sound. Reason: Sodium reacts with water and produces hydrogen gas.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.Sodium reacts with water forming Sodium hydroxide and liberates hydrogen gas producing a hissing sound.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
Sodium reacts with water forming Sodium hydroxide and liberates hydrogen gas producing a hissing sound.