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PLEASE ANSWER AS SOON AS POSSIBLE ! ASSERTION -ATOMIC RADII OF NOBLE GASES IS THE LARGEST IN THEIR PERIOD REASON - Zeff Of Inert gases is minimum A)Both assertion and reason are true and reason is the correct explanation of assertion B)Both assertion and reason are true both reason is not the correct explanation of assertion C)assertion is true but the reason is false D)Both assertion and reason are false

PLEASE ANSWER AS SOON AS POSSIBLE !
ASSERTION -ATOMIC RADII OF NOBLE GASES IS THE LARGEST IN THEIR PERIOD 
REASON -Zeff Of Inert gases is minimum 
A)Both assertion and reason are true and reason is the correct explanation of assertion 
B)Both assertion and reason are true both reason is not the correct explanation of assertion 
C)assertion is true but the reason is false 
D)Both assertion and reason are false 

Grade:12

1 Answers

Mahima Kanawat
1010 Points
4 years ago
Dear student 
Answer is C. 
Atomic radius of the inert gases is highest in a period.
Atomic radii of inert gases is determined by vanderwaal radius because inert gases do not form covalent and ionic bonds. 
Outermost shell is fully filled that causes electronic repulsion and hence more atomic radii. 
Reason is false... 
Zeff increases along the period. 
Therefore inert gases do not have minimum Zeff. 
WITH REGARDS 
MAHIMA
ASKIITIANS FORUM EXPERT 

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