Bonding in Some Homonuclear Diatomic Molecules MCQs with FREE PDF

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Bonding in Some Homonuclear Diatomic Molecules MCQs

1. The number of electrons in bonding orbital and anti-bonding orbital of Lithium molecule are ______ and _______ respectively.

a) 4, 4

b) 2, 2

c) 2, 4

d) 4, 2

Answer:  4, 2

2. What is the electronic configuration of the carbon atom?

a) 1s22s22p2

b) ?1s2?*1s2?2s2?*2s2?2px2?2py2

c) 1s22s22p1

d) ?1s2?*1s ?2s2?2px2?2py2

Answer:  1s22s22p2

3. O2 is paramagnetic in nature.

a) True

b) False

Answer:  True

4. The electronic configurations of molecules change when the number of electrons is ________

a) 10

b) 20

c) 17

d) 14

Answer:  14

5. Which of the following is true regarding nitrogen molecule.

a) Diamagnetic

b) Paramagnetic

c) Bond order is 2

d) Total number of electrons in the molecule is 13

Answer:  Diamagnetic

6. H2, N2, O2 and Li2 are ______________

a) heteronuclear diatomic molecules

b) heteronuclear triatomic molecules

c) homonuclear diatomic molecules

d) homonuclear triatomic molecules

Answer:  homonuclear diatomic molecules

7. What is the total number of electrons in the Chlorine molecule?

a) 17

b) 34

c) 18

d) 16

Answer:  34

8. What is the electronic configuration of hydrogen molecule?

a) ?1s2

b) ?1s1

c) ?1s

d) ?*1s

Answer:  ?1s2

9. What is the condition, for a molecule do not exist?

a) NA = NB

b) NA > NB

c) NA < NB

d) NA >/< NB

Answer:  NA = NB

10. Which of the following molecule doesn’t exist?

a) O2

b) H2

c) He2

d) N2

Answer:  H2

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