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Q.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R :
Assertion A: Helium (He) is placed in p-block of modern periodic table.
Reason R: Differentiating electron in Helium (He) enters ‘p’ orbital. 
In the light of the above statements, choose the most appropriate answer from the options given below:

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a

Both A and R are correct, and R is the  correct explanation of A

b

Both A and R are correct, but R is  NOT the correct explanation of A

c

A is correct but R is incorrect

d

Both A and R are false

answer is C.

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Detailed Solution

Helium (He) located in p-block of modern periodic table but differentiating electron in Helium (He) enters into ‘s’ orbital.

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