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Which one of the following alkali metals gives hydrated salts ?
(a) \(\mathrm{Li}\)
(b) \(\mathrm{Na}\)
(c) \(\mathrm{K}\)
(d) Cs
(a) \(\mathrm{Li}\)
(b) \(\mathrm{Na}\)
(c) \(\mathrm{K}\)
(d) Cs
Solution:
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Verified Answer
Among alkali metal ions, \(\mathrm{Li}^{+}\)is the smallest. Therefore, it has the highest charge density and hence attracts the water molecules more strongly than any other alkali metal cation. Thus, option (a) is correct.
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