CBSE 2023 · Region 4 · Set 3 · Q27

Consider the following salts:

(i)

YCl

(ii)

$\displaystyle \mathrm{NH}_{4} \mathrm{X}$

(iii)

$\displaystyle \mathrm{ZCO}_{3}$

(a)

What would be the pH of the salt solution if in YCl, Y is sodium? Give reason for your answer.

(b)

If in salt $\displaystyle \mathrm{NH}_{4} \mathrm{X}, \mathrm{X}$ is nitrate, then its solution will give what colour with universal indicator? Why?

(c)

What would be the change in colour in blue litmus solution if $\displaystyle \mathrm{ZCO}_{3}$ is added to it and Z is potassium?