Question

Assertion: The reaction; ${}_{3}L{i}^7+{}_0{n}^1\to 2{}_{2}H{e}^{4+}{}_{-1}{e}^0$, is correct.

Reason: The atomic numbers in the LHS and the RHS of the above equation are balanced.

• A. Both Assertion and Reason are true and Reason is the 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 Reason is true
• E. Both Assertion and Reason are false

Answer 1

The correct option is A Both Assertion and Reason are true and Reason is the correct explanation of Assertion

The written nuclear reaction is correct. ${}_{3}L{i}^7+{}_0{n}^1\to 2{}_{2}H{e}^{4+}{}_{-1}{e}^0$. The sum of atomic numbers on LHS $3+0=0$ The sum of atomic numbers on RHS $2\times 2-1=3$ The sum of mass numbers on LHS $7+1=8$ The sum of mass numbers on RHS $2\left(4\right)+0=8$