Determine if the following salt NH2C6H4NH3Cl is acidic, basic or neutral and explain why. p-Phenylenediamine NH2C6H4NH2....

Question

Question

Determine if the following salt NH2C6H4NH3Cl is acidic, basic or neutral and explain why. p-Phenylenediamine NH2C6H4NH2. Why?

pKb (1)= 7.69

pKb (2)= 11.03

Answer 1

Answer #1

1) NH2C6H4NH3Cl is a salt formed from NH2C6H4NH2 and HCl.

Here HCl is a strong acid and NH2C6H4NH2 is a weak base.So, the given salt is acidic in nature.

2) NH2C6H4NH2 is weak base and has pKb1 and pKb2 as 7.69 and 11.03 respectively.

So, p-Phenylenediamine is basic in nature.

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Answer 2

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