1
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Which of the following statements is not true for the reaction, 2F2 + 2H2O $$ \to $$ 4HF + O2 ?
A
F2 is more strongly oxidising than O2
B
F $$ - $$F bond is weaker than O = O bond
C
H $$ - $$F bond is stronger than H$$ - $$O bond
D
F is less electronegative than O
2
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
3
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
4
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+
WB JEE Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12