A) Atomic size decreases
B) lonisation energy increases
C) Metallic character decreases
D) Stability of \[+2\] oxidation state increases
Correct Answer: D
Solution :
In carbon family stability of \[+2\] oxidation state increases with increase in atomic number because of inert pair effect. As we go down the group \[n{{s}^{2}}\] pair becomes more and more inert. Atomic size and metallic character increases with increase in atomic number and ionisation energy decreases with atomic size.
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