1
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.33
Change Language
The second ionization energy of the following elements follows the order
A
Zn > Cd < Hg
B
Zn > Cd > Hg
C
Cd > Hg < Zn
D
Zn < C < Hg
2
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
3
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+
4
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
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Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12