Assertion : $^{14} C$ is an isotope of carbon. Reason: $^{14} C$ and $^{14} N$ have the same mass number.

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 incorrect but Reason is correct

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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
Assertion
$^{14} C$ is an isotope of $^{12} C$ .
Reason
$^{14} C$ and $^{14} N$ have the same mass number of 14.
Hence option B is the correct answer.

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Assertion :14C is an isotope of carbon. Reason: 14C and 14N have the same mass number.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for AssertionAssertion14C is an isotope of 12C.Reason14C and 14N have the same mass number of 14.Hence option B is the correct answer.

Assertion : $^{14} C$ is an isotope of carbon. Reason: $^{14} C$ and $^{14} N$ have the same mass number.

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Assertion
$^{14} C$ is an isotope of $^{12} C$ .
Reason
$^{14} C$ and $^{14} N$ have the same mass number of 14.
Hence option B is the correct answer.