1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The first electron affinity of C, N and O will be of the order
A
C < N < O
B
N < C < O
C
C < O < N
D
O < N < C
2
WB JEE 2018
MCQ (Single Correct Answer)
+1
-0.33
Change Language
Out of the following outer electronic configurations of atoms, the highest oxidation state is achieved by which one?
A
$$(n - 1){d^8}n{s^2}$$
B
$$(n - 1){d^5}n{s^2}$$
C
$$(n - 1){d^3}n{s^2}$$
D
$$(n - 1){d^5}n{s^1}$$
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Which of the following atoms should have the highest 1st electron affinity?
A
F
B
O
C
N
D
C
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12