S P Singh Solutions for Chapter: Analytical Chemistry : Uses of Ammonium Hydroxide and Sodium Hydroxide, Exercise 2: EXERCISE-4

How will you distinguish lead nitrate and zinc nitrate solution?

What is observed when a hot concentrated caustic soda solution is added to zinc? Write balanced equations.

What is observed when hot concentrated caustic soda solution is added to aluminium? Write balanced equations.

What do you understand by amphoteric oxide?

Give the balanced equations for the reaction with two different amphoteric oxides with caustic alkali.

Name the products formed when two different amphoteric oxides react with caustic alkali.

Write balanced equations for the following conversions.

${\mathrm{ZnSO}}_4\stackrel{\mathrm{A}}{\to }\mathrm{Zn}(\mathrm{OH}{)}_2\stackrel{\mathrm{B}}{\to } {\mathrm{Na}}_2{\mathrm{ZnO}}_2$ 

Write balanced equations for the following conversions 

${\mathrm{CuSO}}_4\stackrel{\mathrm{A}}{\to }\mathrm{Cu}(\mathrm{OH}{)}_2\stackrel{\mathrm{B}}{\to } \left[\mathrm{Cu}\right({\mathrm{NH}}_3{)}_4]{\mathrm{SO}}_4$