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The atomic numbers of elements A,B,C and...

The atomic numbers of elements A,B,C and D are Z - 1, Z, Z + 1 and Z + 2 respectively. If B is a noble gas, choose the correct statement among the following statements :
I. A has higher electron affinity.
II. C exists in +2 oxidation state.
III. D is an alkaline earth metal.

A

(i) and (iii)

B

(ii) and (iii)

C

(i) and (iii)

D

(i),(ii) and (iii)

Text Solution

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The correct Answer is:
C
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