৪.৪ ধাতুর সক্রিয়তা সূত্র

নীচের সক্রিয়তা সিরিজের কোনটি সঠিক? 

KUET 11-12

Li+/Li \mathrm{Li}^{+} / \mathrm{Li}

K+/K \mathrm{K}^{+} / \mathrm{K}

Ca2+/Ca \mathrm{Ca}^{2+} / \mathrm{Ca}

Na+/Na \mathrm{Na}^{+} / \mathrm{Na}

Mg2+/Mg -\mathrm{Mg}^{2+} / \mathrm{Mg}

Al3+/Al \mathrm{Al}^{3+} / \mathrm{Al}

7Zn2+/Zn 7 \mathrm{Zn}^{2+} / \mathrm{Zn}

Cr3+/Cr \mathrm{Cr}^{3+} / \mathrm{Cr}

Fe2+/Fe \mathrm{Fe}^{2+} / \mathrm{Fe}

Cd2+/Cd \mathrm{Cd}^{2+} / \mathrm{Cd}

Co2+/Co \mathrm{Co}^{2+} / \mathrm{Co}

Ni2+/Ni \mathrm{Ni}^{2+} / \mathrm{Ni}

Sn2+/Sn \mathrm{Sn}^{2+} / \mathrm{Sn}

Pb2+/Pb \mathrm{Pb}^{2+} / \mathrm{Pb}

H+/H2Pt \mathrm{H}^{+} / \mathrm{H} 2 \mathrm{Pt}

Cu2+/Cu \mathrm{Cu}^{2+} / \mathrm{Cu}

Hg22+/Hg \mathrm{Hg}_{2}^{2+} / \mathrm{Hg}

Ag+/Ag \mathrm{Ag}^{+} / \mathrm{Ag}

Au3+/Au \mathrm{Au}^{3+} / \mathrm{Au}

Li+(aq)+eLi(s) \mathrm{Li}^{+}(\mathrm{aq})+\mathrm{e}^{-} \rightleftharpoons \mathrm{Li}(\mathrm{s})

K+(aq)+eK(s) \mathrm{K}^{+} \quad(\mathrm{aq})+\mathrm{e}^{-} \rightleftharpoons \mathrm{K}(\mathrm{s})

Ca2+(aq)+2eCa(s) \mathrm{Ca}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Ca}(\mathrm{s})

Na+(aq)+eNa(s) \mathrm{Na}^{+}(\mathrm{aq})+\mathrm{e}^{-} \rightleftharpoons \mathrm{Na}(\mathrm{s})

Mg2+(aq)+2eMg(s) \mathrm{Mg}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Mg}(\mathrm{s})

Al3+(aq)+3eAl(s) \mathrm{Al}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightleftharpoons \mathrm{Al}(\mathrm{s})

Zn2+(aq)+2eZn(s) \mathrm{Zn}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Zn}(\mathrm{s})

Cr3+(aq)+3eCr(s) \mathrm{Cr}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightleftharpoons \mathrm{Cr}(\mathrm{s})

Fe2+(aq)+2eFe(s) \mathrm{Fe}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Fe}(\mathrm{s})

Cd2+(aq)+2eCd(s) \mathrm{Cd}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Cd}(\mathrm{s})

Co2+(aq)+2eCo(s) \mathrm{Co}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Co}(\mathrm{s})

Ni2+(aq)+2eNi(s) \mathrm{Ni}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Ni}(\mathrm{s})

Sn2+(aq)+2eSn(s) \mathrm{Sn}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Sn}(\mathrm{s})

Pb2+(aq)+2ePb(s) \mathrm{Pb}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Pb}(\mathrm{s})

2H+(aq)+2eH(g) 2 \mathrm{H}^{+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{H}(\mathrm{g})

Cu2+(aq)2eCu(s) \mathrm{Cu}^{2+}(\mathrm{aq})-2 \mathrm{e}^{-} \rightleftharpoons \mathrm{Cu}(\mathrm{s})

Hg22+(aq)+2eHH(l) \mathrm{Hg}_{2}^{2+}(\mathrm{aq})+2 \mathrm{e}^{-} \rightleftharpoons \mathrm{HH}(\mathrm{l})

Ag+(aq)+eAg(s) \mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{e}^{-} \rightleftharpoons \mathrm{Ag}(\mathrm{s})

Au3+(aq)+3eAu(s) \mathrm{Au}^{3+}(\mathrm{aq})+3 \mathrm{e}^{-} \rightleftharpoons \mathrm{Au}(\mathrm{s})

-3.04

-2.92

-2-2.71

-2.36

-1.66

-0.76

-0.74

-0.44

-0.40

-0.28

-0.25

-0.14

-0.13

0.00

+0.34

+0.79

+0.80

+1.42

৪.৪ ধাতুর সক্রিয়তা সূত্র টপিকের ওপরে পরীক্ষা দাও