Home
Class 11
CHEMISTRY
Assertion: Na^(+) and Al^(3+) are isoel...

Assertion: `Na^(+)` and `Al^(3+)` are isoelectronic but the magnitude of the ionic radius of `Al^(3+)` is less than that of `Na^(+)`
Reason: The magnitude of effective nuclear charge of the outer shell electrons in `Al^(3+)` is greater than in `Na^(+)`

A

Statement 1 is True, statement 2 is True, Statement 2 is Correct explanation for Statement 1.

B

Statement 1 is True, Statement 2 is True, Statement 2 is NOT a correct explanation for Statement 2

C

Statement 1 is True, Statement 2 is False.

D

Statement i is False, Statement 2 is True.

Text Solution

Verified by Experts

The correct Answer is:
A

Statement 1 is True, statement 2 is True, Statement 2 is Correct explanation for Statement 1.
Promotional Banner

Topper's Solved these Questions

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III ( Linked Comprehension Type ))|12 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    BRILLIANT PUBLICATION|Exercise QUESTIONS (LEVEL-III ( Matching column Type ))|5 Videos
  • CHEMICAL THERMODYNAMICS

    BRILLIANT PUBLICATION|Exercise LEVEL-III|52 Videos
  • ENVIRONMENTAL CHEMISTRY

    BRILLIANT PUBLICATION|Exercise QUESTIONS LEVEL-II (ASSERTION-REASON TYPE)|10 Videos

Similar Questions

Explore conceptually related problems

The size of Al^(3+) is lower than that of F. Justify,

The ions 'O^(2-), F^-, Na, Mg^(2+)' and 'Al^(3+)' are isoelectronic. Their radii show:

Assertion : First ionization energy of nitrogen is lower than oxygen Reason : Across the period effective nuclear charge decreases

Find the charge of 27 g of Al^(3+) ions in coulombs.

The unparied electrons in Al and Si are in 3p orbital. Which electrons will experience more effective nuclear charge from the nucleus?

Assertion": Mn'atom loses ns electrons first during ionization as compared to (n-1)d electrons. Reason : The effective nuclear charge experienced by (n-1)d electrons is greater than that by ns electrons,

Assertion : Gallium has smaller atomic size than aluminium Reason : Because of greater nuclear attraction due to poor shielding effect of outer shell electrons from the nucleus by the d-electrons