In which of the following molecule, the internuclear distance will be maximum:
1. CsI
2. CsF
3. LiF
4. LiI

Subtopic:  Atomic Size |
 64%
From NCERT
AIPMT - 1998
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NEET 2023 - Target Batch - Aryan Raj Singh
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 |
 76%
From NCERT
AIPMT - 2002
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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 |
 85%
From NCERT
AIPMT - 2003
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

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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 |
 72%
From NCERT
AIPMT - 2004
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh