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Assertion: ""2X^(A) undergoes 2 alpha-de...

Assertion: `""_2X^(A)` undergoes 2 `alpha`-decay and the daughter product is `""_(z-4)Y^(A-8)`
Reason: In `alpha`-decay the mass number decreases by 4 and atomic number decreases by 2.

A

Both assertion and reason are true and reason is correct explanation of assertion.

B

Both assertion and reason are true but reason is not the correct explanation of assertion.

C

Assertion is true, but Reason is false.

D

Assertion is false, but the reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A
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