Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule is:
1. | 1 and diamagnetic | 2. | 0 and diamagnetic |
3. | 1 and paramagnetic | 4. | 0 and paramagnetic |
Among the following the maximum covalent character is shown by the compound:
(1) FeCl2
(2) SnCl2
(3) AlCl3
(4) MgCl2
Which of the following statement is wrong?
(1) The stability of hydrides increase from NH3 to BiH3 is group 15 of the periodic table.
(2) Nitrogen cannot form bond.
(3) Single N-N bond is weaker than the single P-P bond.
(4) has four resonance structure
The structure of is
(1) square pyramid
(2) trigonal bipyramid
(3) octahedral
(4) pentagonal bipyramid
In which of the following pairs the two species are not isostructural?
(1)
(2)
(3) and
(4)
In allene the type(s) of hybridization of the carbon atoms is (are):
1. sp and sp3
2. sp and sp2
3. only sp2
4. sp2 and sp3
The shape of molecule is:
(1) trigonal bipyramidal
(2) square planar
(3) tetrahedral
(4) see-saw
How many number of water molecule (s) directly bonded to the metal centre in is
(1) 3
(2) 2
(3) 4
(4) 5
A molecule having the smallest bond angle among the following is :
1. | \(\mathrm{SO}_2\) | 2. | \(\mathrm{H_2O}\) |
3. | \(\mathrm{H_2S}\) | 4. | \(\mathrm{NH}_3\) |