Given below are two statement: one is labeled as Assertion (A) and the other is labeled as Reason (R)
Assertion (A) : The ionic radii of O2+ and Mg2+ are same
Reason (R) : Both O2+ and Mg2+ are isoelectronic species
In the light of the above statement, choose the correct answer from the options below.
Given below are two statement: one is labeled as Assertion (A) and the other is labeled as Reason (R)
Assertion (A) : The ionic radii of O2+ and Mg2+ are same
Reason (R) : Both O2+ and Mg2+ are isoelectronic species
In the light of the above statement, choose the correct answer from the options below.
Option 1 -
Both (A) and (R) are true and (R) is the correct explanation of (A).
Option 2 -
Both (A) and (R) are true but (R) is not the correct explanation of (A).
Option 3 -
(A) is true but (R) is false
Option 4 -
(A) is false but (R) is true
-
1 Answer
-
Correct Option - 4
Detailed Solution:Ionic radius of isoelectronic species depends upon ratio; Hence Ionic radius of ionic radius of Mg+
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Element/ion | |
O | -141 |
Na | -53 |
Cl | -349 |
O- | +780 |
You can read the classification of elements and periodicity in properties class 11 notes to study class 11 ch3 and score well in class 11th exams and NEET, and JEE exams.
When the elements having similar properties repeat at regular intervals, it is called periodicity in the properties of elements.
Classification of Elements is Necessary because it helps in understanding and remembering elements' properties better, you can understand how elements react or behave, and can guess properties of unidentified or newly discovered elements.
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