Differentiate between using nh4oh
1. Pb(NO3)2 and Zn(NO3)2
2. CaCl2 and Cucl2
Write the reaction and observations
Explain why
1. Inert gases have high IP
2. Anion has a bigger atomic radius than its parent atom

Dear student 
Your chemical equation related questions are not clear. I am answering Explain why:-
1. Inert gases have high Ionization energies. 
Kindly refer to the following link https://www.meritnation.com/ask-answer/question/noble-gases-have-stable-configurations-and-stable-configurat/classification-of-elements-and-periodicity-in-properties/7764661

2. Anion has bigger atomic radii than it's parent atom. 
When an atom gains an electron it forms its anion. This it has more number of electrons but number of protons are same. This electrons are now not tightly bounded to nucleus which result in increase in size.

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