1. | 1 | 2. | 3 |
3. | 2 | 4. | 4 |
Which pair of ions from the following list do not constitute an iso-electronic pair?
1. Mn2+, Fe3+
2. Fe2+, Mn2+
3. O2–, F–
4. Na+, Mg2+
Which of the following pairs of ions are isoelectronic and isostructural?
1.
2.
3.
4.
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 |
Among the following, iso-electronic species are:
1. CO2, NO2
2. , CO2
3. CN–, CO
4. SO2, CO2
Which of the following two species in the pair are isostructural:
1.
2.
3.
4.
Among the following, the compound that is electron deficient is:
1. BaCl2
2. BCl3
3. CCl4
4. PCl5
Among the options given below, identify the Isoelectronic species:
1. CO, CN–, NO+, C22–
2. CO–, CN, NO, C2–
3. CO+, CN+, NO–, C2
4. CO, CN, NO, C2
In , formal charge on every oxygen atom and P-O bond order respectively are:
1. -0.75 and 1.25
2. -0.5 and 2
3. 1 and 1.5
4. -0.75 and 2