- 1(current)
Q. No.In which of the following molecule, the internuclear distance will be maximum:
1. CsI
2. CsF
3. LiF
4. LiI
Subtopic: Atomic Size |
65%
Level 2: 60%+
AIPMT - 1998
Hints
Incorrect order among the following is:
| 1. | NH3 < PH3 < AsH3 – Acidic |
| 2. | Li < Be < B < C – Ist Ionization potential |
| 3. | Al2O3 < MgO < Na2O < K2O - Basic |
| 4. | Li+ < Na+ < K+ < Cs+ - Ionic radius |
Subtopic: Ionization Energy (IE) | Atomic Size |
78%
Level 2: 60%+
AIPMT - 2002
Hints
The ions O2–, F–, Na+, Mg2+, and Al3+ are isoelectronic. Their ionic radii show:
| 1. | A significant increase from O2– to Al3+. |
| 2. | A significant decrease from O2– to Al3+. |
| 3. | An increase from O2– to F– and then a decrease from Na+ to Al3+. |
| 4. | A decrease from O2– to F– and then an increase from Na+ to Al3+. |
Subtopic: Atomic Size |
86%
Level 1: 80%+
AIPMT - 2003
Hints
Ionic radii are:
| 1. | Inversely proportional to the square of effective nuclear charge. |
| 2. | Directly proportional to the effective nuclear charge. |
| 3. | Directly proportional to the square of effective nuclear charge. |
| 4. | Inversely proportional to the effective nuclear charge. |
Subtopic: Atomic Size |
75%
Level 2: 60%+
AIPMT - 2004
Hints
- 1(current)
Q. No.
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