HSC Chemistry - Important One Mark Questions

Question set 4, with 10 important one mark questions in Chemistry (+2 Chemistry)

1) The hybridization in molecule is:

a)
b)
c)
d)

2) The bond order in the Oxygen molecule is:

a) 2
b) 2.5
c) 3
d) 1

3) Among the following, which has the highest electro negativity value?

a) F
b) Cl
c) Br
d) I

4) The compound with garlic taste is:

a)
b)
c)
d)

5) Copper is extracted from:

a) cuprite
b) copper glance
c) malachite
d) copper pyrites

6) Which one of the following ions produces color?

a)
b)
c)
d)

7) Maximum oxidation state exhibited by Lanthanides is:

a) +2
b) +1
c) +3
d) +4

8) Which is used in optical lenses?

a)
b)
c)
d)

9) An example of a chelting ligand is:

a)
b) Chloro
c) Bromo
d) en

10) The reaction takes place due to:

a) – decay
b) – decay
c) electro capture
d) positron decay