1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The melting points of (i) BeCl2 (ii) CaCl2 and (iii) HgCl2 follows the order
A
i < ii < iii
B
iii < i < ii
C
i < iii < ii
D
ii < i < iii
2
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
Which of these species will have non-zero magnetic moment?
A
Na+
B
Mg
C
F$$-$$
D
Ar+
3
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
4
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
$$(n - 1){d^5}n{s^1}$$
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