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Q.

Given below are two statements one is labeled as Assertion(A) and the other is labeled as Reason (R)

Assertion(A): Energy of 2s-orbital of  hydrogen atom is greater than that of 2s-orbital of Lithium

Reason(R): Energies of the orbitals in the same subshell decreases with increase in the atomic number

In the above statements, choose the correct answer from the options given below

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a

A is false but  R is true

b

Both A and R are True and R is correct explanation of A

c

A is true  but R is false

d

Both A and R are True but R is not the correct explanation of A

answer is A.

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