Chemical Bonding & Molecular Structure

1980 Q101 JEE Advanced MCQ
14 Mar 2026
Which of the following compounds are covalent?
A.
H2
B.
CaO
C.
KCl
D.
Na2S
1980 Q102 JEE Advanced MCQ
14 Mar 2026
The total number of electrons that take part in forming the bond in N2 is
A.
2
B.
4
C.
6
D.
10
1980 Q103 JEE Advanced MCQ
14 Mar 2026
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 Q104 JEE Advanced MCQ
14 Mar 2026
Which of the following is soluble in water?
A.
CS2
B.
C2H5OH
C.
CCl4
D.
CHCl3
1979 Q105 JEE Advanced MCQ
14 Mar 2026
The compound which contains both ionic and covalent bonds is
A.
CH4
B.
H2
C.
KCN
D.
KCl
1979 Q106 JEE Advanced MCQ
14 Mar 2026
The octet rule is not valid for the molecule
A.
CO2
B.
H2O
C.
O2
D.
CO