Water Softening Interview Questions

Water Softening interview questions

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Total Questions: 5

1. Which of the following molecule is not homonuclear?

A. H2

B. N2

C. NO

D. O2

Correct Answer is : NO

2. Bond order of NO+ molecule is

A. 2

B. 3

C. 2.5

D. 4

Correct Answer is : 3

3. Which of the following molecule is least stable?

A. NO+

B. N2

C. NO

D. O2

Correct Answer is : NO

4. Choose the incorrect option from the following.

A. Valence bond theory does not explain the paramagnetic nature of O2

B. Molecular orbital theory explains the extra stability of O2+ cation over O2

C. Valence bond theory explains the ionization or gain of electrons, giving O2+ and O2– ions, if O2 has the stable octet

D. Resonance has no role in Molecular orbital theory

Correct Answer is : Valence bond theory explains the ionization or gain of electrons, giving O2+ and O2– ions, if O2 has the stable octet

5. The interaction between a pair of orbitals of the same type is

A. Attractive

B. Repulsive

C. There is no interaction

D. None of the mentioned

Correct Answer is : Repulsive

Water Softening interview questions