Chemical Bonding & Molecular Structure
106 Questions
1980
JEE Advanced
MCQ
IIT-JEE 1980
Which of the following compounds are covalent?
A.
H2
B.
CaO
C.
KCl
D.
Na2S
1980
JEE Advanced
MCQ
IIT-JEE 1980
The total number of electrons that take part in forming the bond in N2 is
A.
2
B.
4
C.
6
D.
10
1980
JEE Advanced
MCQ
IIT-JEE 1980
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
1980
JEE Advanced
MCQ
IIT-JEE 1980
Which of the following is soluble in water?
A.
CS2
B.
C2H5OH
C.
CCl4
D.
CHCl3
1979
JEE Advanced
MCQ
IIT-JEE 1979
The compound which contains both ionic and covalent bonds is
A.
CH4
B.
H2
C.
KCN
D.
KCl
1979
JEE Advanced
MCQ
IIT-JEE 1979
The octet rule is not valid for the molecule
A.
CO2
B.
H2O
C.
O2
D.
CO