A conductivity cell usually consists of two :
Show Hint
- Copper electrodes
- Platinum electrodes
- Zinc electrodes
- Iron electrodes
The Correct Option is B
Solution and Explanation
Top Questions on Electrochemistry
What type of battery is the lead storage battery? Write the anode and the cathode reactions and the overall reaction occurring in a lead storage battery when current is drawn from it.
- CBSE Compartment XII - 2025
- Chemistry
- Electrochemistry
- The electrical resistance of a column of 0.05 M NaOH solution of cell constant \( 50\ \text{cm}^{-1} \) is \( 4.5 \times 10^3\ \Omega \). Calculate its resistivity, conductivity and molar conductivity.
- CBSE Compartment XII - 2025
- Chemistry
- Electrochemistry
- The standard electrode potential for Sn\(^{4+}\)/Sn\(^{2+}\) couple is \(+0.15\ \text{V}\) and for Cu\(^{2+}\)/Cu couple is \(+0.73\ \text{V}\). These two couples are connected to make an electrochemical cell. The redox reaction is spontaneous. The cell potential will be:
- CBSE Compartment XII - 2025
- Chemistry
- Electrochemistry
- State Faraday’s second law of electrolysis. How much electricity is required in terms of Faraday for the reduction of 1 mole of $Cr_2\text{O}_7^{2-} \text{ to Cr}^{3+}$?
- CBSE CLASS XII - 2025
- Chemistry
- Electrochemistry
- Calculate the emf of the following cell at 25°C : \[ \text{Zn(s)} | \text{Zn}^{2+} (0.1 \, \text{M}) \parallel \text{H}^+ (0.01 \, \text{M}) | \text{Hg}(l) | \text{Hg}_2^{2+} (1 \, \text{bar}), \, \text{Pt(s)} \] \[ \left[ E^\circ_{\text{Zn}^{2+}/\text{Zn}} = -0.76 \, \text{V}, \, E^\circ_{\text{H}_2/\text{H}^+} = 0.00 \, \text{V}, \, \log 10 = 1 \right] \]
- CBSE CLASS XII - 2025
- Chemistry
- Electrochemistry
Questions Asked in CBSE CLASS XII exam
- The monetary policy is formulated by the ____ in the Indian economy.
- CBSE CLASS XII - 2025
- Money and Banking
- "The government generally levies higher Goods and Services Tax (GST) on socially undesirable products like cigarettes, tobacco, liquor etc." Identify and explain the indicated government budget objective in the above statement.
- CBSE CLASS XII - 2025
- Government Budgeting
- Find the values of \( a \) for which \( f(x) = \sin x - ax + b \) is increasing on \( \mathbb{R} \).
Two batteries of emf's \(3V \& 6V\) and internal resistances 0.2 Ω \(\&\) 0.4 Ω are connected in parallel. This combination is connected to a 4 Ω resistor. Find:
(i) the equivalent emf of the combination
(ii) the equivalent internal resistance of the combination
(iii) the current drawn from the combination- CBSE CLASS XII - 2025
- Electrical Circuits
Four students of class XII are given a problem to solve independently. Their respective chances of solving the problem are: \[ \frac{1}{2},\quad \frac{1}{3},\quad \frac{2}{3},\quad \frac{1}{5} \] Find the probability that at most one of them will solve the problem.