AMU Engineering 2020 solved paper Solved Paper

Section: Chemistry

Question : 97 of 150

Marks: +1, -0

The atomic number of elements A,B,C and D are Z−1,Z,Z+1,Z+2 respectively. If B is a noble gas, choose the correct option (1) (A) has higher electron affinity.
(2) (C) exists in +2 oxidation state.
(3) (D) is an alkaline earth metal.

(1) and (2)
(2) and (3)
(1) and (3)
(1), (2) and (3)

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