The increasing order of the atomic radii of the follo elements is:

Question:

The increasing order of the atomic radii of the follo elements is:

(a) $\mathrm{C}$                       (b) $\mathrm{O}$

(c) $\mathrm{F}$                        (d) $\mathrm{Cl}$

(e) $\mathrm{Br}$

  1. (b) $<(\mathrm{c})<(\mathrm{d})<(\mathrm{a})<(\mathrm{e})$

  2. $(\mathrm{d})<(\mathrm{c})<(\mathrm{b})<(\mathrm{a})<(\mathrm{e})$

  3. $(\mathrm{c})<(\mathrm{b})<(\mathrm{a})<(\mathrm{d})<(\mathrm{e})$

  4. (a) $<(\mathrm{b})<(\mathrm{c})<(\mathrm{d})<(\mathrm{e})$

Correct Option: , 3

Solution:

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