Assertion :Carbon monoxide is extremely poisonous in nature. Reason:
Carbon monoxide is formed by the complete combustion of carbon.

Read the assertion and reason carefully and answer the question on the basis of the following options. You have to select the one that best describes the two statements

If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

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If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion.

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If Assertion is correct but Reason is incorrect.

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If Assertion is incorrect but Reason is correct.

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Solution

The correct option is C If Assertion is correct but Reason is incorrect.
Carbon monoxide is extremely poisonous in nature and it is formed by the incomplete combustion of carbon.

So the reason is not correct but assertion is correct.

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Assertion (A) Phenol forms 2, 4, 6-tribromophenol on treatment with $B r_{2}$ in carbon disulphide at 273K.
Reason (R) Bromine polarises in carbon disulphide.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
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(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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If both assertion and reason are true and the reason is the correct explanation of the assertion.

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Assertion: 4-nitrophenol is more acidic than picric acid.
Reason: Phenol is a weaker acid than carbonic acid.

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(a)

If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b)

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Assertion: 4-nitrophenol is more acidic than picric acid.
Reason: Phenol is a weaker acid than carbonic acid.

Read the assertion and reason carefully to mark the correct option out of the options given below :

(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.

(b) If both assertion and reason are true but reason is not the correct explanation of the assertion.

(d) If the assertion and reason both are false.

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Assertion: Acetic acid does not undergo haloform reaction.

Reason: Acetic acid has no alpha hydrogens.

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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion.
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Assertion: The major products formed by heating

C_{6} H_{5} C H_{2} O C H_{3}

with HI are

C_{6} H_{5} C H

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C H_{3} O H .

Reason : Benzyl cation is more stable than methyl cation.

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The correct option is C If Assertion is correct but Reason is incorrect.Carbon monoxide is extremely poisonous in nature and it is formed by the incomplete combustion of carbon.So the reason is not correct but assertion is correct.

The correct option is C If Assertion is correct but Reason is incorrect.
Carbon monoxide is extremely poisonous in nature and it is formed by the incomplete combustion of carbon.

So the reason is not correct but assertion is correct.