Q.

Assertion(A): In Bromine atom 4p electrons will experience the lowest effective nuclear charge.

Reason (R) : The Bromine atom contains five electrons in  4p subshell.

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a

Both (A) and (R) are true and (R) is the correct explanation of (A) 

b

(A) is true and (R) is false 

c

Both (A) and (R) are false.

d

Both (A) and (R) are true and (R) is not the correct explanation of (A) 

answer is B.

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Detailed Solution

The distance between 4p electrons and the nucleus is very long, hence it experiences the lowest effective nuclear charge.

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