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Consider the following pairs of ions ...

Consider the following pairs of ions
(A) `Sc^(+3)` and `Ti^(+4)` (B) `Mn^(+2)` and `Fe^(+2)`
(C ) `Fe^(+2)` and `Co^(+3)` (D) `Cu^(+)`and `Zn^(+2)`
Among these pairs of ions, isoelectronic pairs would include

A

B, C and D

B

A, C and D

C

A, B and D

D

A, B and C

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The correct Answer is:
B
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