PYQ Vault
EbooksTutor

Time needed to deposit a given mass of metal with a given current

The same question, asked 2 times: May 2022 S1*, 13 May 2026 S2. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    May 2022 S1

    67
    How long will it take to produce 5.4 g of Ag from molten AgCl by passing 5 amp current? (Molar mass Ag = 108 g mol−1^{-1})

    Tap an option to check your answer.

  2. Question 2

    13 May 2026 S2

    27
    When 66 g Cu metal is deposited at the cathode during the passage of 33 ampere current through its salt solution for xx minutes. Calculate the value of xx if the molar mass of copper is 63.5 g mol−163.5\ \mathrm{g\,mol^{-1}}

    Tap an option to check your answer.