Ionization energy is the measure of the extend to which the nucleus attracts the outermost electron
if ionization energy us high than force of attraction Is high so it is not easy to remove and vice versa .
hope you understand.....
Answer:

Explanation:
Hello,
In this case, for the given reaction:

We find a 1:2 molar ratio between the acid and the base respectively, for that reason, at the equivalence point we find:

That in terms of concentrations and volumes we can compute the concentration of the acid solution:

Best regards.
Answer : The correct option is A.
Explanation :
The given chemical reaction is,

In the reaction, Reactants are present on the left side of the arrow and products are present on the right side of the arrow.
Reactants are those which takes part in and undergoes change during the reaction.
Products are those which are formed during the reaction.
In the given reaction, zinc react with hydrochloric acid to form zinc chloride and hydrogen gas.
Therefore, the reactants are zinc and hydrochloric acid.