4. Electron dot structure

Question:

4 m.

Answer the following questions given below:

Janani draws electron dot structure for the molecules given below:

i. \(H_2\)
ii. \(O_2\)
iii. \(N_2\)

She notices that the number of shared electron pairs is different.

1. Which molecule contains the maximum number of shared electron pairs between two atoms?

\(Cl_2\)
\(O_2\)
\(N_2\)
\(H_2\)

2. Arrange the molecules in increasing order of bond multiplicity.

\(O_2 < H_2 < N_2\)
\(H_2 < O_2 < N_2\)
\(N_2 < O_2 < H_2\)
\(H_2 < N_2 < O_2\)

3. Which of the following statement is correct regarding bonding?

Molecules with single bonds cannot satisfy the octet rule
The number of shared pairs depends on the electrons required to complete the duplet or octet
The number of shared pairs depends on the electrons required to the inner most shell
Atoms with more valence electrons always form more shared pairs

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