To prepare benzil you are heating a solution of benzoin with concentrated nitric

Question

To prepare benzil you are heating a solution of benzoin with concentrated nitric acid. Following this, you will add water, cool the mixture, and collect the solid. How will you treat/dispose of the left over liquid from this step?

a) It must be neutralized with sodium hydroxide and can then be washed down the drain.

b) It must be neutralized with sodium hydroxide and then disposed of in the organic waste container.

c) It can be directly washed down the drain with lots of water.

d) It can be directly poured into the organic waste container.

a) It must be neutralized with sodium hydroxide and can then be washed down the drain.

b) It must be neutralized with sodium hydroxide and then disposed of in the organic waste container.

c) It can be directly washed down the drain with lots of water.

d) It can be directly poured into the organic waste container.

Explanation / Answer

Solution :-

The reaction produces the acid left over in the reaction mixture at the end of the reaction therefore before disposing the left over chemical it should be neutralized with the sodium hydroxide and then it can be drained out so the correct answer is option a)

a) It must be neutralized with sodium hydroxide and can then be washed down the drain.

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