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. | \(\mathrm{NH}_3\) |
The pair of species having identical shapes for molecules of both species is
1. CF SF
2. XeF CO
3. BF PCI
4. PFIF
The correct order of bond angles (smallest first) in H2S, NH3, BF3 and SiH4 is
1. H2S < SiH4 < NH3 < BF3
2. NH3 < H2S < SiH4 < BF3
3. H2S < NH3 < SiH4 < BF3
4. H2S < NH3 < BF3 < SiH4
The bond order in NO is 2.5 while that in NO is 3.
Which of the following statements is true for these
two species?
1. bond length in NO is greater than in NO
2. bond length in NO is greater than in NO
3. bond length in NO is equal than in NO
4. bond length is unpredictable
Which of the following has the regular tetrahedral structure
1. [Ni(CN)]
2. SF
3.
4. XeF
The maximum number of 90 angles between bond pair-bond pair of electrons is observed in :
1. hybridization.
2. hybridization.
3. hybridization.
4. hybridization.
Molecule/Ion that is diamagnetic in nature is:
1. | \(\mathrm{H}^-_2\) | 2. | \(\mathrm{H}_2\) |
3. | \(\mathrm{H}^+_2\) | 4. | \(\mathrm{He}^+_2\) |
The lattice energy of an ionic compound depends upon
1. packing of ions only
2. size of the ion only
3. charge on the ion and size of the ion
4. charge on the ion only
The number and type of bonds between two carbon atoms in calcium carbide are
1. One sigma, two pi
2. Two sigma, two pi
3. One sigma, one pi
4. Two sigma, one pi