Question

The ionic species having largest size is

(a) $\operatorname{Li}_{(g)}^{+}$

(b) ${Na}_{(a q)}^{+}$

(c) ${Rb}_{(a q)}^{+}$

(d) $\operatorname{Li}_{(a q)}^{+}$

Answer 1

${Li}_{(g)}^{+}$ ion being smallest in size is heavily hydrated and thus, ${Li}_{(a q)}^{+}$is largest in size.

So, The correct option of this question is (d).