Q.
Which of the fallowing has maximum covalent character with l- ?
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a
Na+
b
K+
c
Rb+
d
Cs+
answer is A.
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Detailed Solution
Number of shells increases size increases down the group in alkali metals.cation size∞1polarizing power∞ionic charecter∞melting point ∞1covalent character, hence Na+ ion has maximum polarizing power with I-.
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