NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

1 Medium

1 of 1

Analyzing +4 | -1

Electronic configurations of four elements A, B,

\mathrm{C}

and

\mathrm{D}

are given below :

(i)

1 s^2 2 s^2 2 p^6

(ii)

1 s^2 2 s^2 2 p^4

(iii)

1 s^2 2 s^2 2 p^6 3 s^1

(iv)

1 s^2 2 s^2 2 p^5

Which of the following is the correct order of increasing tendency to gain electron?

View answer and explanation

Correct option: A

(i)

<

(iii)

<

(ii)

<

(iv)

Option A ((i)

<

(iii)

<

(ii)

<

(iv)) is correct because the electron gain enthalpy becomes more negative as we move towards a more stable electronic configuration.

More Questions from CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES