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Aliphatic ethers are purified by shaking...

Aliphatic ethers are purified by shaking with a soluting of ferrous salt to remove ……….. which are formed on prolonged standing in contact with water.

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**Step-by-Step Solution:** 1. **Understanding the Problem:** - The question states that aliphatic ethers can be purified by shaking them with a solution of ferrous salt. We need to identify what is being removed in this process. 2. **Identifying the Impurity:** - Aliphatic ethers, when they stand for a prolonged period in contact with water, can form certain by-products. The most common by-products formed in this scenario are peroxides. ...
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