Class XI Chemistry Chemical Bonding and Molecular Structure 3

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Question 1

Which molecule is not linear?

• ABeF₂
• BBeH₂
• CCO₂
• DH₂O

Question 2

Hydrogen molecule differs from chlorine molecule in the following respect.

• AHydrogen molecule is non-polar but chlorine molecule is polar
• BHydrogen molecule is polar while chlorine molecule is non-polar
• CHydrogen molecule can form intermolecular hydrogen bonds but chlorine molecule does not
• DHydrogen molecule cannot participate in coordinate bond formation but chlorine molecule can

Question 3

In which of the following molecules/ions BF₃, , and H₂O, the central atom is sp²hybridised ?

• A and
• B and H₂O
• C and H₂O
• DBF₃ and

Question 4

Which one of the following pairs is iso structural (i.e., having the same shape and hybridization)?

• A
• B
• C
• D

Question 5

Which of the two ions from the list given below have the geometry that is explained by the same hybridisation of orbitals,

• A
• B
• C
• D

Question 6

In which of the following pairs of molecules/ions, the central atoms have sp²hybridization ?

• A
• B
• C
• D

Question 7

The order of electronegativity of carbon in sp, sp² and sp³ hybridized states follow

• Asp>sp²>sp³
• Bsp³>sp²>sp
• Csp>sp³>sp²
• Dsp²>sp>sp³

Question 8

The correct order of C-O bond length among CO, , CO₂ is :

• ACO₂<< CO
• BCO <<CO₂
• C<CO₂< CO
• DCO < CO₂<

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