Which of the following pairs of ions are isoelectronic and isostructural?
1.
2.
3.
4.
An electron-deficient compound among the following is:
1. | (SiH3)2 | 2. | (BH3)2 |
3. | PH3 | 4. | (CH3)2 |
Identify the wrong statement among the following.
1. | Amongst isoelectronic species, the smaller the positive charge on the cation, the smaller is the ionic radius |
2. | Amongst isoelectronic species, the greater the negative charge on the anion, the larger is ionic radius |
3. | Atomic radius of the elements increases as one moves down the first group of the periodic table |
4. | Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table |