Outermost electronic... | Periodic Table

JEE MAIN 2021

20-07-21 S2

Question

Outermost electronic configuration of a group 13 element, E , is $4 \mathrm{~s}^2, 4 \mathrm{p}^1$. The electronic configuration of an element of p-block period-five placed diagonally to element, E is :

Select the correct option:

$[\mathrm{Kr}] 3 \mathrm{~d}^{10} 4 \mathrm{~s}^2 4 \mathrm{p}^2$

$[\mathrm{Ar}] 3 d^{10} 4 s^2 4 p^2$

$[X e] 5 d^{10} 6 s^2 6 p^2$

$[\mathrm{Kr}] 4 d^{10} 5 s^2 5 p^2$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

The element E is Ga and the diagonal element of 5th period is Sb having outer electronic configuration will be [Kr] 5s² 4d¹⁰ 5p¹.

Question Tags

JEE Main

Chemistry

Easy

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