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Byju's Answer

Standard X

Chemistry

Effect on Indicators by Acids and Bases

Assertion :Co...

Question

Assertion :Copper does not react with $H C l$ while copper oxide does. Reason: Copper has a higher reduction potential than hydrogen.

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
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$
Copper do not react with $H C l$ because copper has higher reduction potential than hydrogen.

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Reason: The compressibility factor for

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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) 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.

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

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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Assertion :Copper does not react with HCl while copper oxide does. Reason: Copper has a higher reduction potential than hydrogen.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for AssertionCuO+2HCl→CuCl2+H2OCopper do not react with HCl because copper has higher reduction potential than hydrogen.

Assertion :Copper does not react with $H C l$ while copper oxide does. Reason: Copper has a higher reduction potential than hydrogen.

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
$C u O + 2 H C l \to C u C l_{2} + H_{2} O$
Copper do not react with $H C l$ because copper has higher reduction potential than hydrogen.