Given below are two statements :
Statement I: In group 13, the stability of +1 oxidation state increases down the group.
Statement II: The atomic size of gallium is greater than that of aluminium.
In the light of the above statements, choose the most appropriate answer from the options given below:
Select the correct option:
A
Statement I is incorrect but Statement II is correct
B
Both Statement I and Statement II are correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
Statement I : Number of $d \& \mathrm{f}$ electrons, increases down the group and due to poor shielding of $d \& f \mathrm{e}^{-}$, stability of lower oxidation states increases down the group
Statement U. The atomic size of aluminium is greater than that of gallium.
Hello 👋 Welcome to Competishun – India’s most trusted platform for JEE & NEET preparation. Need help with JEE / NEET courses, fees, batches, test series or free study material? Chat with us now 👇
