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Assertion C-14 undergo beta-decay Reas...

Assertion C-14 undergo `beta-`decay
Reason It has more neutrons than that required for stability

A

Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion

B

Both Assertion and Reason are correct but Reason is not the correct explanation of Assertion

C

Assertion is correct but Reason is incorrect

D

Assertion is incorrect but Reason is correct

Text Solution

Verified by Experts

The correct Answer is:
A
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Unstable nuclei attain stability through disintegration. The nuclear stability is related to neutron proton ratio (n//p) . For stable nuclei n//p ratio lies close to unity for elements with low atmoic numbers (20 or less) but it is more than 1 for nuclei having higher atomic numbers. Nuclei having n//p ratio either very high or low undergo nuclear transformation. When n//p ratio is higher than required for stability, the nuclei have the tendency to emit beta -rays. while when n//p ratio is lower than required for stability, the nuclei either emits alpha -particles or a positron or capture K -electron.

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Unstable nuclei attain stability through disintegration. The nuclear stability is related to neutron proton ratio (n/p). For stable nuclei n/p ratio lies close to unity for elements with low atomic numbers (20 or less) but it is more than 1 for nuclei having higher atomic numbers. Nuclei having n/p ratio either very high or low undergo nuclear transformation. when n/p ratio is higher than required for stabilioty, the nuclei have the tendency to emit beta -rays. While when n/p ratio is lower than required for stability, the nucleieither emits alpha -particles or a position or capture K-electron. The order of radioactive disinigration is

An unstable nuclide with N/P ratio more than that required for stability can attain stability by