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Quiz 184
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3661. Which option shows all the molecules with bond angle 109.5°?
CH₄, NH₄⁺, PH₃
SiCl₄, H₂O, BeCl₂
SiCl₄, NH₄⁺, CH₄
CH₄, CCl₄, NH₃
3662. Which one of the following molecules has sp³ hybridization?
CH₄
C₂H₂
CO₂
C₂H₄
3663. Ethene has hybridization of C Atom :
dsp3
sp
sp2
d2sp³
3664. Carbon atoms in ethane are hybridized:
sp
sp²
sp³
sp³d
3665. Identify the compound given below which has bonds formed by overlapping of sp and p orbitals:
BeCl₂
BF₃
H₂O
NH₃
3666. The unhybridized p orbital in sp² hybridization is:
Perpendicular to sp2 orbitals
Along the hybrid orbitals
In the same plane as hybrid orbitals
Forms only sigma bonds
3667. In alkanes, each carbon has hybridization:
sp³
sp²
sp
dsp
3668. Which of the following contain sp² hybridization?
Methane
Ethane
Ethyne
Ethene
3669. Type of hybridization of carbon in ethene (H₂C = CH₂) is:
sp³
sp²
sp
dsp²
3670. Which of the following has sp hybridization?
BF₃
BeCl₂
C₂H₄
CH₄
3671. Which one of the following hydrogen bonds is stronger than others?
Nδ-–Hδ⁺ ……………….. Nδ-–Hδ⁺
Oδ–Hδ⁺ ………………… Oδ–Hδ⁺
Fδ- –Hδ⁺ …………………Fδ- –Hδ⁺
Nδ–Hδ⁺ ………………… Oδ–Hδ⁺
3672. The average bond energy of C–Br is:
228 kJ mol⁻¹
200 kJ mol⁻¹
250 kJ mol⁻¹
290 kJ mol⁻¹
3673. Which of the following sets constitutes all the molecules and ions of non-planar geometry?
PH₃, benzene, SO₃, BeCl₂, H₂S
CH≡CH, CH, H₂O, BeCl₂, H₂S
SO₂, C₂H₄, NF₃, NO₃⁻
CH₄, NH₄⁺, MnO₄⁻, NF₃
3674. The bond energy of hydrogen in H₂ molecule is:
242 kJ/mol
431 kJ/mol
436 kJ/mol
346 kJ/mol
3675. The dipole moment of CO₂ is zero because it is:
Angular
Linear
Triatomic
Pyramidal
3676. Which of the following compounds shows shortest C–H bond length?
Methane
Acetylene
Ethylene
Ethane
3677. Which one has the lowest bond energy?
HF
Hl
HBr
HCl
3678. Which one of the following molecules has a zero dipole moment?
BF₃
NF₃
NH₃
H₂O
3679. Which of the following halogen molecules has maximum bond energy?
F–F
Cl–Cl
Br–Br
I–I
3680. Which of the following has greater bond energy?
HF
HCl
HI
HBr
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