1

IIT-JEE 1980

MCQ (Single Correct Answer)
Which of the following is soluble in water?
A
CS2
B
C2H5OH
C
CCl4
D
CHCl3
2

IIT-JEE 1980

MCQ (Single Correct Answer)
The total number of electrons that take part in forming the bond in N2 is
A
2
B
4
C
6
D
10
3

IIT-JEE 1980

MCQ (Single Correct Answer)
Which of the following compounds are covalent?
A
H2
B
CaO
C
KCl
D
Na2S
4

IIT-JEE 1980

MCQ (Single Correct Answer)
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

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