Questions
Which of the fallowing has pairing with I- has maximum melting point?
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By Expert Faculty of Sri Chaitanya
a
Na+
b
K+
c
Rb+
d
Cs+
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Correct option is D
Number of shells increases size increases down the group in alkali metals.cation size∞1polarizing power∞ionic charecter∞melting point ∞1covalent character, hence Cs+ ion has pairing with I- has maximum melting point.Similar Questions
Which of the fallowing has minimum hydrated size in aqueous state?
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