JEE Main 202228 JuneMorning Shift

Exam: JEE Main
Year: 2022
Date: 28 June
Shift: Morning Shift
Subject: Chemistry
Chapter: Classification of Elements and Periodicity in Properties

JEE Main 2022 · 28 June · Morning Shift · Chemistry · Classification of Elements and Periodicity in Properties

Element " E " belongs to the period 4 and group 16 of the periodic...

Element "

E

" belongs to the period

4

and group

16

of the periodic table. The valence shell electron configuration of the element, which is just above "

E

" in the group is

Options

A $2{s}^{2}2{p}^{4}$
B $3{d}^{10}, 4{s}^{2}, 4{p}^{4}$
C $3{s}^{2}3{p}^{4}$
D $4{d}^{10}, 5{s}^{2}, 5{p}^{4}$

Correct answer

C. $3{s}^{2}3{p}^{4}$

Step-by-step solution

General outer electronic configuration of ${16}^{th}$ group elements is ${ns}^{2}{np}^{4}$

${16}^{th}$ group element belonging to ${4}^{th}$ period is $Se$ and its outer electronic configuration is $4{s}^{2}4{p}^{4}$ . The element present above selenium is sulphur and the outer electronic configuration of sulphur is $3{s}^{2}3{p}^{4}$ .

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