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Dimethyl ether is completely soluble in ...

Dimethyl ether is completely soluble in water but diethyl ehter is soluble isn water to small extent. Discuss.

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In demethyl ether, the size of the methyl group is smaller as compared with that of ethyl group in diethyl ether. Therefore , the extent of hydrogen bonding in he molecules of dimethyl ether and water is large compared with molecules of diethyl ether . As a result dimethyl ether is completely soluble or miscible in water while diethyl ether is soluble only to small extent.
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Give reason for the following : (i) (CH_(3))_(3)C-O-CH_(3)underset("ether")overset('Anhydrous HI")(rarr) CH_(3)I+(CH_(3))_(3)COH (ii) (CH_(3))_(3)C-O-CH_(34)overset(HI(aq.))(rarr)(CH_(3))_(3)Cl+CH_(3)OH (iii) Ethers possess a net dipole moment even if they are symmetrical in structure. (iv) Dimethyl ether is completely miscible with water but diethyl ehter is soluble in water to a small extent. (v) The C-O-C bond angle in ether is higher than H-O-H angle in water though oxygen is sp^(3)- hybridized in both these cases. (vi) Why are ethers relativelyinert compounds ?

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Knowledge Check

  • Vitamin soluble in water

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    D
    B
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