Atomic Structure — Easy JEE chemistry MCQ
The increasing order of atomic radii of the following Group 13 elements is
- A. $\mathrm{Al}<\mathrm{Ga}<\mathrm{In}<\mathrm{Tl}$
- B. $\mathrm{Ga}<\mathrm{Al}<\mathrm{In}<\mathrm{Tl}$
- C. $\mathrm{Al}<\mathrm{In}<\mathrm{Ga}<\mathrm{Tl}$
- D. $\mathrm{Al}<\mathrm{Ga}<\mathrm{Tl}<\mathrm{In}$
Solution
The correct option is **B**.