List of top Chemistry Questions on Electrochemical Cells asked in AP EAMCET

The \( n_1 \) and \( n_2 \) values for the 3rd line of the Paschen series of the hydrogen spectrum are respectively:
Which of the following molecules is not having glycosidic linkage?
A spectral line in the hydrogen spectrum is due to an electron transition between energy levels whose sum and difference are respectively 5 and 3. The wavelength of it (in cm) is:
At 27 °C, the pH of 1 L of aqueous copper sulfate is 5.5. This solution was electrolyzed using two Pt electrodes for some time. What is the pH of remaining copper sulfate solution?
The cell reaction of a cell is given below: \[ 2 \, \text{Cu}^{+} \rightarrow \text{Cu} + \text{Cu}^{2+} \]

What is \( E^0_{\text{cell}} \) (in V)?

Given: \( E^0_{\text{Cu}^{2+}/\text{Cu}^{+}} = x \) V; \quad \( E^0_{\text{Cu}^{+}/\text{Cu}} = y \) V

$CuSO_4$ solution is electrolysed for $15$ minutes to deposit $0.4725\, g$ of copper at the cathode. The current in amperes requited is (Faraday = $96.500 \,C\,mol^{-1}$. atomic weight of copper = $63$)