CHEMICAL BONDING AND MOLECULAR STRUCTURE MCQ Quiz: GKFix - Bridge of Knowledge

Question 1

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Which of the following best describes electronegativity?

Ability to lose electrons
Ability to form ionic bonds
Ability of an atom to attract shared electrons in a bond
Ability to conduct electricity

Question 2

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Which molecule has sp² hybridization at the central atom?

BeCl₂
NH₃
BCl₃
H₂O

Question 3

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What is the bond length defined as?

Distance between two electrons in a bond
Length of the bond before breaking
Distance between the nuclei of two bonded atoms
Length of the electron cloud overlap

Question 4

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How is bond strength related to bond order?

Bond strength is independent of bond order
Higher bond order means weaker bond
Higher bond order means stronger bond
Bond order affects only bond length

Question 5

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Why is the bond angle in H₂O less than that in NH₃?

Due to larger size of oxygen atom
Due to smaller size of nitrogen atom
Due to greater lone pair repulsion in H₂O
Due to hydrogen bonding in H₂O