Assertion :The experimentally determined carbon to oxygen bond length in carbon dioxide is 115 pm. Reason: The lengths of a normal carbon to oxygen double bond $(C = O)$ and carbon to oxygen triple bond $(C \equiv O)$ are 121 pm and 110 pm respectively.

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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Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
In carbon dioxide, the carbon-oxygen bond lengths lie in between the values for $(C = O)$ and $(C \equiv O)$ bond lengths because carbon dioxide is a resonance hybrid of following structures :

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Similar questions

Statement-1 : In (cyclobutadiene) all C-C bond lengths are equal.

Statement-2 : Cyclobutadiene is aromatic and the

Π

orbitals are orthogonal to each other.

The Assertion and Reason are given, you are required to choose any one of the following four responses.

A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

C) The Assertion is correct but Reason is incorrect

D) Both Assertion and Reason are incorrect

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.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
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Q. Assertion:

C O_{2}

is a resonance stabilized molecule.
Reason: The bond length of

C - O

C O_{2}

is in between the lengths of a single and a double bond.

Q. 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.
(c) If assertion is true but reason is false.
(d) If assertion and reason both are false.

Assertion : HOF bond angle is greater than HOCl bond angle.
Reason : Oxygen is more electronegative than halogens

Assertion (A) Order and molecularity are same.

Reason (R) Order is determined experimentally and molecularity is the sum of the stoichimetric coeffcient of rate determining elementary step.

(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.

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Assertion :The experimentally determined carbon to oxygen bond length in carbon dioxide is 115 pm. Reason: The lengths of a normal carbon to oxygen double bond (C=O) and carbon to oxygen triple bond (C≡O) are 121 pm and 110 pm respectively.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionIn carbon dioxide, the carbon-oxygen bond lengths lie in between the values for (C=O) and (C≡O) bond lengths because carbon dioxide is a resonance hybrid of following structures :

Assertion :The experimentally determined carbon to oxygen bond length in carbon dioxide is 115 pm. Reason: The lengths of a normal carbon to oxygen double bond $(C = O)$ and carbon to oxygen triple bond $(C \equiv O)$ are 121 pm and 110 pm respectively.