NEET-XII-Chemistry

03: Electrochemistry

page 2
Qstn# II-5-i Prvs-QstnNext-Qstn
  • #5-i
    Mg(s) | Mg2+(0.001M) || Cu2+(0.0001 M) | Cu(s)
    () Fe(s) | Fe2+(0.001M) || H+(1M)|H2(g)(1bar) | Pt(s)
    () Sn(s) | Sn2+(0.050 M) || H+(0.020 M) | H2(g) (1 bar) | Pt(s)
    () Pt(s) | Br2(l) | Br-(0.010 M) || H+(0.030 M) | H2(g) (1 bar) | Pt(s).
    () Fe(s) | Fe2+(0.001M) || H+(1M)|H2(g)(1bar) | Pt(s)
    () Sn(s) | Sn2+(0.050 M) || H+(0.020 M) | H2(g) (1 bar) | Pt(s)
    () Pt(s) | Br2(l) | Br-(0.010 M) || H+(0.030 M) | H2(g) (1 bar) | Pt(s).
    () Fe(s) | Fe2+(0.001M) || H+(1M)|H2(g)(1bar) | Pt(s)
    () Sn(s) | Sn2+(0.050 M) || H+(0.020 M) | H2(g) (1 bar) | Pt(s)
    () Pt(s) | Br2(l) | Br-(0.010 M) || H+(0.030 M) | H2(g) (1 bar) | Pt(s).
    Ans : For the given reaction, the Nernst equation can be given as:



    = 2.7 - 0.02955

    = 2.67 V (approximately)
    () For the given reaction, the Nernst equation can be given as:



    = 0.52865 V

    = 0.53 V (approximately)
    () For the given reaction, the Nernst equation can be given as:



    = 0.14 - 0.0295 × log125

    = 0.14 - 0.062

    = 0.078 V

    = 0.08 V (approximately)
    () For the given reaction, the Nernst equation can be given as:


    () For the given reaction, the Nernst equation can be given as:



    = 0.52865 V

    = 0.53 V (approximately)
    () For the given reaction, the Nernst equation can be given as:



    = 0.14 - 0.0295 × log125

    = 0.14 - 0.062

    = 0.078 V

    = 0.08 V (approximately)
    () For the given reaction, the Nernst equation can be given as:


    () For the given reaction, the Nernst equation can be given as:



    = 0.52865 V

    = 0.53 V (approximately)
    () For the given reaction, the Nernst equation can be given as:



    = 0.14 - 0.0295 × log125

    = 0.14 - 0.062

    = 0.078 V

    = 0.08 V (approximately)
    () For the given reaction, the Nernst equation can be given as:


  • #5-ii
    Fe(s) | Fe2+(0.001M) || H+(1M)|H2(g)(1bar) | Pt(s)
    Ans : For the given reaction, the Nernst equation can be given as:



    = 0.52865 V

    = 0.53 V (approximately)
  • #5-iii
    Sn(s) | Sn2+(0.050 M) || H+(0.020 M) | H2(g) (1 bar) | Pt(s)
    Ans : For the given reaction, the Nernst equation can be given as:



    = 0.14 - 0.0295 × log125

    = 0.14 - 0.062

    = 0.078 V

    = 0.08 V (approximately)
  • #5-iv
    Pt(s) | Br2(l) | Br-(0.010 M) || H+(0.030 M) | H2(g) (1 bar) | Pt(s).
    Ans : For the given reaction, the Nernst equation can be given as: