19) Which compound below can be used as a solvent for the synthesis of a Grignard reagent? A. Water (H₂O) B. Acetic acid (CH3CO-OH C) Diethyl ether (CH3CH2)2O D) Methanol (CH3OH) E) Cyclopentane thiol -SH

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**Question 19: Which compound below can be used as a solvent for the synthesis of a Grignard reagent?**

- A. Water (H₂O)
- B. Acetic acid (CH₃CO-OH)
- C. Diethyl ether ((CH₃CH₂)₂O)
- D. Methanol (CH₃OH)
- E. Cyclopentane thiol

**Explanation:** 

This question lists several compounds, asking which one can be used as a solvent for synthesizing a Grignard reagent. The correct choice is C. Diethyl ether, as it is commonly used as a solvent for Grignard reactions due to its ability to dissolve organic compounds and not react with the Grignard reagent itself. Grignard reagents are sensitive to moisture and need anhydrous or dry conditions, which makes water, acetic acid, and methanol unsuitable as they can react with the reagent. Cyclopentane thiol also contains a reactive -SH group which can interfere with the Grignard reagent.
Transcribed Image Text:**Question 19: Which compound below can be used as a solvent for the synthesis of a Grignard reagent?** - A. Water (H₂O) - B. Acetic acid (CH₃CO-OH) - C. Diethyl ether ((CH₃CH₂)₂O) - D. Methanol (CH₃OH) - E. Cyclopentane thiol **Explanation:** This question lists several compounds, asking which one can be used as a solvent for synthesizing a Grignard reagent. The correct choice is C. Diethyl ether, as it is commonly used as a solvent for Grignard reactions due to its ability to dissolve organic compounds and not react with the Grignard reagent itself. Grignard reagents are sensitive to moisture and need anhydrous or dry conditions, which makes water, acetic acid, and methanol unsuitable as they can react with the reagent. Cyclopentane thiol also contains a reactive -SH group which can interfere with the Grignard reagent.
Expert Solution
Step 1

The solvent used in preparation is ether like diethyl ether, THF( tetrahydrofuran)

 

So here answer should be (C) diethyl ether

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