PYQ NEET- Atoms And Nuclei L-5

Question: The energy equivalent of $0.5 \mathrm{~g}$ of a substance is :#

A) $4.5 \times 10^{13} \mathrm{~J}$

B) $1.5 \times 10^{13} \mathrm{~J}$

C) $0.5 \times 10^{13} \mathrm{~J}$

D) $4.5 \times 10^{16} \mathrm{~J}$

Answer: (C) $0.5 \times 10^{13} \mathrm{~J}$#

Sol:#

Singly ionized neon has electron count less than one. Bohr’s model is valid for atoms of single electron. So option (c) is not valid.