After adding benzophenone into the Grignard reagent, a precipitate forms. The precipitate then disappears after the addition of [tex]$H_2SO_4$[/tex] solution.

Please use reactions to explain what happens.

Benzophenone reacts with a Grignard reagent to form a magnesium alkoxide complex precipitate, which dissolves upon addition of an acid like H2SO4, resulting in the formation of a tertiary alcohol.

Explanation:

When benzophenone is added into a Grignard reagent i.e.,RMgX where R is an alkyl or aryl group and X is a halogen, a reaction occurs between the carbonyl group of benzophenone and the Grignard reagent. A magnesium alkoxide complex is formed as a precipitate. This occurs as the Grignard reagent behaves like a carbanion or a Bronsted base and attacks the carbonyl carbon atom of benzophenone forming an alkoxide intermediate. The reaction can be represented as:

Ph2C=O + RMgX --> Ph2C(OMgX)R

Next, when you add an acid, such as H2SO4, it reacts with the magnesium alkoxide, causing the precipitation to dissolve. This reaction results in the formation of a tertiary alcohol. The representation of the reaction is:

Ph2C(OMgX)R + H2SO4 --> Ph2C(OH)R + MgSO4

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After adding benzophenone into the Grignard reagent, a precipitate forms. The precipitate then disappears after the addition of [tex]$H_2SO_4$[/tex] solution.Please use reactions to explain what happens.

Answer :

Final answer:

Explanation:

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Other Questions

After adding benzophenone into the Grignard reagent, a precipitate forms. The precipitate then disappears after the addition of [tex]$H_2SO_4$[/tex] solution.

Please use reactions to explain what happens.