AFNS — AFNS Chemistry
Chemical Bonding
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#25 Sigma bond is:
A) Head-on overlap
B) Side overlap only
C) No overlap
D) Metal only
Answer: A
#26 Pi bond is:
A) Side-by-side p overlap
B) s overlap only
C) Ionic
D) Metallic
Answer: A
#27 Double bond has:
A) One sigma one pi
B) Two pi only
C) Three sigma
D) No sigma
Answer: A
#28 Triple bond in N2 has:
A) One sigma two pi
B) Three sigma
C) One pi
D) Ionic
Answer: A
#29 Bond length order typically:
A) Triple < double < single
B) Single shortest
C) All equal
D) Random
Answer: A
#30 Bond energy:
A) Energy to break 1 mol bonds
B) Mass of atom
C) Volume
D) Colour
Answer: A
#31 Polar covalent bond:
A) Unequal sharing
B) Equal sharing always
C) No sharing
D) Metal transfer
Answer: A
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