MCQ
The incorrect decreasing order of atomic radii is :
- A$\mathrm{Mg}>\mathrm{Al}>\mathrm{C}>\mathrm{O}$
- B$\mathrm{Al}>$ B $>$ N $>$ F
- ✓$\mathrm{Be}>\mathrm{Mg}>\mathrm{Al}>\mathrm{Si}$
- D$\mathrm{Si}>\mathrm{P}>\mathrm{Cl}>\mathrm{F}$
✓
Answer
Correct option: C.
$\mathrm{Be}>\mathrm{Mg}>\mathrm{Al}>\mathrm{Si}$
(C)
Sol. Correct order of atomic radii : $\mathrm{Be}<\mathrm{Mg}>\mathrm{Al}>\mathrm{Si}$
Sol. Correct order of atomic radii : $\mathrm{Be}<\mathrm{Mg}>\mathrm{Al}>\mathrm{Si}$
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