Question

In the given graph, a periodic property ® is plotted against atomic numbers (Z) of the elements. Which property is shown in the graph and how is it correlated with reactivity of the elements?

• A. Ionisation enthalpy in a group, reactivity dectreases from a$\rightarrow$ e.
• B. Ionisation enthalpy in a group, reactivity increases from a $\rightarrow$ e.
• C. Atomic radius in a group, reactivity decreases from a$\rightarrow$ e.
• D. Metallic character in a group, reactivity increases from a$\rightarrow$e

Answer 1

Answer: (B)

Ionisation enthalpy in a group, reactivity increases from a $\rightarrow$ e.

Answer 2

: I.E. in a group decreases and reactivity increases.