# Electrolytes worksheet

Electrolyte contains free ions and are electrically conductive. Electrolytes are solutions of acids, base and salts and some gases may act as electrolyte under high temperature or low pressure.

Here you can find some question related to “Electrolytes” and their answers:

1. Which of the following is a weak electrolyte?

(a)    $NH_4OH$

(b)   $NH_4Cl$

(c)    HCl

(d)   NaOH

2. Which of the following is a weak electrolyte?

(a)    NaOH

(b)   $CH_3COOH$

(c)    HCl

(d)   $NH_4Cl$

3. Which of the following is a strong electrolyte?

(a)    $Ca(OH)_2$

(b)   $H_3PO_4$

(c)    $CH_3COOH$

(d)   NaCl

4. Which of the following is a strong electrolyte?

(a)    $Ca(OH)_2$

(b)   KOH

(c)    $NH_4OH$

(d)   latex]CH_3COOH[/latex]

5. Which of the following is non-electrolyte?

(a)    $C_6H_{12}O_6$

(b)   $CH_3COOH$

(c)    NaCl

(d)   $CaCl_2$

6. In the precipitation of basic radicals of third group in qualitative analysis, $NH_4Cl$ is added before adding $NH_4OH$ to:

(a)    Increase concentration of $Cl^-$ ions

(b)   keep the pH constant

(c)    decrease concentration of $OH^-$ ions

(d)   increase concentration of $NH^+_4$  ions