Bond angle between two hybrid orbitals is .% S character orbital is:
1. between 30-31%
2. between 19-20%
3. between 25 -26%
4. between 22-23%
exists but does not because:
1. nitrogen has no vacant d-orbitals
2. is unstable
3. nitrogen atom is much smaller than p
4. nitrogen is highly inert
Polarization of electrons in acrolein may be written as:
Which species does not exist?
If is pink in colour, the will be '.............' coloured.
(d) cannot be predicted
The species showing - overlapping is :
In which of the following metal to metal bond is present?
1. Cupric chloride
2. stannous chloride
3. mercurous chloride
4. mercuric chloride
Which of the following orbital can not form as well as -bond?
Which molecule does not exist?
Aqueous solution of which of the following compounds is the best conductor of electric
1. Acetic acid, C2H4O2
2. Hydrochloric acid, HCl
3. Ammonia, NH3
4. Fructose, C6H12O6
Predict the correct order among the following.
(a) lone pair-lone pair>bond pair-bond pair>lone pair-bond pair
(b) bond pair-bond pair>lone pair-bond pair>lone pair-lone pair
(c) lone pair-bond pair>bond pair-bond pair>lone pair-lone pair
(d) lone pair-lone pair>lone pair-bond pair>bond pair-bond pair
The species, having bond angles of 120° is
Which of the following leads to bonding?
The isostere pair is
1. CO2 and N2O
2. CO and N2
3. O2 and NO2
4. Both (1) and (2)
In which case observed dipole moment is greater than theoretical dipole moment?
The number of sigma bonds in P4O10 is
In an octahedral structure, the pair of d orbitals involved in d2sp3-hybridisation is