Consider the isoelectronic species, . The correct order of increasing length of their radii is
1.
2.
3.
4.
The correct order of size of the given species is:
1. I > I- > I+
2. I+ > I- > I
3. I > I+ > I-
4. I- > I > I+
Match the correct atomic radius with the corresponding element.
Element |
Atomic radius (pm) |
A. Be |
i. 74 |
B. C |
ii. 85 |
C. O |
iii. 112 |
D. B |
iv. 77 |
E. N |
v. 66 |
Codes
Options: | A | B | C | D | E |
1. | i | ii | iii | iv | v |
2. | iii | iv | v | ii | i |
3. | iv | ii | iii | i | v |
4. | v | ii | i | iii | iv |
Given are the following sets of species:
(a)
(b)
(c)
(d)
The sets containing only isoelectronic ions among the above are:
1. (a), (d)
2. (b), (c)
3. (c), (d)
4. (b), (d)
In which following options of arrangement does not agree with the variation of the property indicated against it?
(a) Al3+< Mg2+< Na+< F– (Increasing ionic size)
(b) B < C < N (Increasing atomic size)
(c) I < Br < Cl (Increasing atomic size)
(d) Li < Na < K (Metallic character)
Choose the correct option
1. (a), (d)
2. (b), (c)
3. (c), (d)
4. (b), (d)
The ionic radii vary in-
a. | Inverse proportion to the effective nuclear charge. |
b. | Inverse proportion to the square of effective nuclear charge. |
c. | Direct proportion to the screening effect. |
d. | Direct proportion to the square of screening effect. |
Choose the correct option :
1. (a), (c)
2. (b), (c)
3. (c), (d)
4. (b), (d)