NEET · Chemistry · STD 11 -p-Block elements - I
The correct order of atomic radii in group \(13\) elements is
- A \(\mathrm{B} < \mathrm{Al} < \mathrm{In} < \mathrm{Ga} < \mathrm{Tl}\)
- B \(\mathrm{B} < \mathrm{Al} < \mathrm{Ga} < \mathrm{In} < \mathrm{T}\)
- C \(\mathrm{B} < \mathrm{Ga} < \mathrm{Al} < \mathrm{T}) < \mathrm{In}\)
- D \(\mathrm{B} < \mathrm{Ga} < \mathrm{Al} < \mathrm{In} < \mathrm{Tl}\)
Answer & Solution
Correct Answer
(D) \(\mathrm{B} < \mathrm{Ga} < \mathrm{Al} < \mathrm{In} < \mathrm{Tl}\)
Step-by-step Solution
Detailed explanation
In group \(13\) due to transition contraction \([Al > Ga]\)
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