1)in which of the following chlorine possess the largest size. NaCl, Cl2, CI20
2)Which cation of the following has the smallest size K, Mg2+, Ca2+, Na
pl give solution of both questions with reason
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The cations Na^+ ,Mg^2+ and Al^3+ have 10 electrons each. Ca^2+ has 18 electrons and hence is larger than the three.
Amongst Na^+ ,Mg ^2+ and Al^3+ , Al^3+ is the smallest. This is because the effective nuclear charge is most in this case and hence the electrons are attracted closer to the nucleus.
answer is Al^3+
Explanation:
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