Which one of the following statements is not correct for sigma and Pi bonds formed between two carbon atoms?
Free rotation of atoms about a sigma bond is allowed but not in case of Pi bond.
Sigma bond determines the direction between carbon atoms but a Pi bond has no primary effect in this regard.
Sigma bond is stronger than a Pi bond.
Bond energies of sigma and Pi bonds are of the order of 264 KJ / mol and 347 KJ/ mol, respectively.
Which of the following has Pπ - dπ bonding ?
NO3-
SO32-
CN - ,CO
SO2, CO2
In a regular octahedral molecule, MX6, the number of X-M-X bonds at 180o is_______________.
3
2
6
4
Which one shows maximum hydrogen bonding?
H2O
H2Se
H2S
HF
Among the following which compound will show the highest lattice energy?
KF
NaF
CsF
RbF
In which one of the following molecules, the central atom said to adopt Sp2- hybridisation?
Be F2
BF3
C2H2
NH3
Which of the following molecule does not have a linear arrangement of atoms?
C2 H2
Be H2
CO2
Strongest hydrogen bonding is shown by
H2O has a net dipole moment while BeF2 has zero dipole moment because
H2O molecule is linear while BeF2 is bent.
BeF2 molecule is linear while H2O is bent.
Fluorine has more electronegativity than oxygen
Beryllium has more electro negativity than oxygen.
Equilateral shape has
Sp - hybridization
Sp2- hybridization
Sp3- hybridization
dsp2- hybridization