Q1 / 160 · AP EAMCET 2010 · Chemistry
A solution of concentration $C g$ equiv/L has a specific resistance $R$. The equivalent conductance of the solution is
- A$\frac{R}{C}$
- B$\frac{C}{R}$
- Correct answerC$\frac{1000}{R C}$
- D$\frac{1000 R}{C}$
Solution
Equivalent conductivity,
$\wedge_{\mathrm{eq}}=\frac{\text { specific conductance } \times 1000}{\text { concentration }(\text { in g equiv } / \mathrm{L})}$
$\because$ Specific conductance
$=\frac{1}{\text { specific resistance }}$
(Given, concentration $=C$ g equiv $/ \mathrm{L})$
$\therefore \quad \wedge_{\mathrm{eq}}=\frac{1}{R} \times \frac{1000}{C}$
or $\quad=\frac{1000}{R C}$
Hence, the correct answer is option: 'C'.