Q.

(A) : Zinc is not considered as a transition element 
(R) : Zn or Zn+2 does not contain unpaired delectron

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a

R is true and A is false

b

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

c

A is true and 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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Detailed Solution

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Zn is not a transition metal because its compounds or ions (Zn+2)  contain a full filled d-orbital or sub shell.

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(A) : Zinc is not considered as a transition element (R) : Zn or Zn+2 does not contain unpaired delectron