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1. |
Benzoic acid reacts with phosphorus pentaoxide in the presence of heat to give ________ |
A. | C<sub>6</sub>H<sub>5</sub>OC<sub>6</sub>H<sub>5</sub> |
B. | C<sub>6</sub>H<sub>5</sub>COC<sub>6</sub>H<sub>5</sub> |
C. | C<sub>6</sub>H<sub>5</sub>COOC<sub>6</sub>H<sub>5</sub> |
D. | C<sub>6</sub>H<sub>5</sub>COOCOC<sub>6</sub>H<sub>5</sub> |
Answer» E. | |