1
IIT-JEE 1981
MCQ (Single Correct Answer)
+1
-0.25
If a molecule MX3 has zero dipole moment, the sigma bonding orbitals used by M (atomic number < 21) are
A
pure p
B
sp hybrid
C
sp2 hybrid
D
sp3 hybrid
2
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
Element X is strongly electropositive and element Y is strongly electronegative. Both are univalent. The compound formed would be
A
X+Y-
B
X-X+
C
X-Y
D
X $$\to$$ Y
3
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
Which of the following compounds are covalent?
A
H2
B
CaO
C
KCl
D
Na2S
4
IIT-JEE 1980
MCQ (Single Correct Answer)
+2
-0.5
The total number of electrons that take part in forming the bond in N2 is
A
2
B
4
C
6
D
10
JEE Advanced Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12