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  • The energies involved, in the following chemical equation, are: <img alt="\mathrm{Na(s) \rightarrow Na^{+} (g),}" src="/latex-image/?%5Cmathrm%7BNa%28s%29%20%5Crightarrow%20Na%5E%7B&plus

The energies involved, in the following chemical equation, are:
\mathrm{Na(s) \rightarrow Na^{+} (g),}

Option: 1

Ionization energy
 


Option: 2

Sublimation energy
 


Option: 3

Bond dissociation energy
 


Option: 4

Ionization energy and sublimation energy


Answers (1)

best_answer

\mathrm{Na(s) \rightarrow Na(g) \rightarrow Na^{+} (g)}

First \mathrm{Na(s)} is converted into \mathrm{Na(g)}. Energy required to convert a solid into gas is known as sublimation energy.
After converting into gas, \mathrm{Na(g)} is converted into \mathrm{Na^{+}\left ( g \right )}. Energy required to remove
most loosely bound electron from an isolated neutral gaseous atom is known as
ionisation energy.

Hence option 4 is correct.

Posted by

Gunjita

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