1.

Which of the following has the highest heat of formation?

A. C<sub>6</sub>H<sub>5</sub>-NO<sub>2</sub>
B. C<sub>6</sub>H<sub>5</sub>-CH<sub>2</sub>-NO<sub>2</sub>
C. C<sub>6</sub>H<sub>5</sub>-NH-NO<sub>2</sub>
D. C<sub>6</sub>H<sub>5</sub>-N(-NO<sub>2</sub>)<sub>2</sub>
Answer» B. C<sub>6</sub>H<sub>5</sub>-CH<sub>2</sub>-NO<sub>2</sub>


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