Which of the following represent(s) the correct order of electron affinities?

F > Cl > Br > I

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C < N < Cl < F

No worries! We‘ve got your back. Try BYJU‘S free classes today!

N < C < O < F

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C < Si < P < N

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct options are
C N < C < O < F
D C < Si < P < N
Generally, the electron affinity values of $3^{r d}$ period elements are higher than the elements of the 2nd period of the same group because of less interelectronic repulsions. Atomic size, nuclear charge, and electrons configurations also affect the electron affinity.
Electron gain enthalpies in $k J m o l^{- 1}$ are: $C = - 121, S i = - 134; P = - 74; N \approx O, O = - 142, F = - 328$

Suggest Corrections

Similar questions

1^{s t}

N, O, F, S

C l

F, C l, B r i s F > C l > B r

S, N, O

C l

B e > M g > C a > S r > B a

F > C l > B r > I

B e > B > C > N > O

C l > F > B r > I

1^{s t}

N, O, F, S

C l

Join BYJU'S Learning Program