How to Prepare a Reaction Using a Round-Bottom Flask

What is the correct way to prepare a reaction using a round-bottom flask?

a) The flask was partially closed during the reaction.

b) The reaction required a round-bottom flask.

c) The reaction didn't involve dichloromethane.

d) The flask was not sealed during the reaction.

Answer:

The correct answer is d) The flask was not sealed during the reaction.

Explanation: The correct answer is d) The flask was not sealed during the reaction. In the given information, it is stated that the flask was stoppered completely, which means it was sealed. However, option d states that the flask was not sealed during the reaction. Since the given information contradicts option d, we can conclude that option d is the correct answer.

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