The isostere pair is
1. CO2 and N2O
2. CO and N2
3. O2 and NO2
4. Both (1) and (2)
Select the correct order of solubility (in water) from the following:
1. SrSO4 < CaSO4 < MgSO4 < BeSO4
2. NaF < KF < RbF < CsF
3. Ba(OH)2 > Sr(OH)2 > Ca(OH)2 > Mg(OH)2
4 All of the above
Which of the following molecules exhibits H-bonding?
1. | CH4 | 2. | H2Se |
3. | N2H4 | 4. | H2S |
Compound that is isoelectronic with an adduct of "Diborane and Ammonia" is:
1. Hydrogen peroxide.
2. Diborane (at absolute zero temp.).
3. First member of alkyne series.
4. Diborane (at 10C temp).
Which of the following leads to bonding orbital?
1. | 2. | ![]() |
|
3. | 4. |
Which of the following pairs share both isoelectronicity and isostructural characteristics?
1.
2.
3.
4.
Which of the following has largest bond angle.
1. H2O
2. F2O
3. Cl2O
4. H2S
In the molecular orbital diagram for ion. the HOMO is :-
(1) MO orbital
(2) π MO orbital
(3) π* MO orbital
(4) MO orbital