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Standard XII

Chemistry

Hydrogen Peroxide

Assertion :Ox...

Question

Assertion :Oxidation number of Ni in $N i (C O)_{4}$ is taken zero. Reason: The oxidation number of CO has ben taken to be zero.

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 A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Since $C O$ is a neutral 2 electron donor ligand. The oxidation state of $N i$ in $N i (C O)_{4}$ is calculated to be zero.

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Q. Assertion: The compressibility factor for

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Reason: The compressibility factor for

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Q. ASSERTION:

Δ_{f} H^{o}

for white phosphorus has been taken to be zero, whereas black phosphorus is the most stable allotrope of phosphorus and this is the only exception.

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Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

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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.

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Assertion :Oxidation number of Ni in Ni(CO)4 is taken zero. Reason: The oxidation number of CO has ben taken to be zero.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionSince CO is a neutral 2 electron donor ligand. The oxidation state of Ni in Ni(CO)4 is calculated to be zero.

Assertion :Oxidation number of Ni in $N i (C O)_{4}$ is taken zero. Reason: The oxidation number of CO has ben taken to be zero.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Since $C O$ is a neutral 2 electron donor ligand. The oxidation state of $N i$ in $N i (C O)_{4}$ is calculated to be zero.