NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

1 Medium

1 of 1

Application +4 | -1

Two elements

X

and

Y

have following electronic configuration

X = 1{s^2}\,2{s^2}2{p^6}\,\,3{s^2}3{p^6}\,\,4{s^2}

Y = 1{s^2}\,2{s^2}2{p^6}\,\,3{s^2}3{p^5}\,

The expected compound formed by combination of

X

and

Y

will be expressed as

View answer and explanation

Correct option: A

X{Y_2}

Option A (

X{Y_2}

) is correct because X has a +2 charge and Y has a -1 charge, thus requiring two Y atoms to balance the charge of one X atom.

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