The correct order of acidic strength is :
1.
2.
3.
4.
Most covalent compound among the following is :
1. | AlF3 | 2. | AlCl3 |
3. | AlBr3 | 4. | AlI3 |
The molecule having the smallest bond angle is-
1. | PCl3 | 2. | NCl3 |
3. | AsCl3 | 4. | SbCl3 |
Which of the following pair of elements can form an ionic compound?
1. | \(\mathrm{Na}\) and \(\mathrm{Ca}\) | 2. | \(\mathrm{K}\) and \(O_2\) |
3. | \(O_2\) and \(Cl_2\) | 4. | \(Al\) and \(I_2\) |
The shape of is:
1. | Trigonal planar | 2. | Pyramidal |
3. | Bent T-shape | 4. | See-saw |
The total number of possible resonance forms for the nitrate ion, () is:
1. | 1 | 2. | 2 |
3. | 3 | 4. | 4 |
The correct statement about hydrolysis of and is-
1. is hydrolysed and gives but is not hydrolysed
2. Both and on hydrolysis gives
3. on hydrolysis gives but gives
4. Both and on hydrolysis gives
The incorrect order of lattice energy among the following set is:
1.
2.
3.
4.
Which of the following species has a bond angle of \(120^\circ\)?
1. \(\mathrm{{SF}_6}\)
2. \(\mathrm{NCl_3}\)
3. \(\mathrm{BCl_3}\)
4. \(\mathrm{PH_3}\)
Which of the following compounds has a higher hydration energy than the lattice energy?
1. BaSO4
2. MgSO4
3. CaSO4
4. SrSO4