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✿°คгฬєภ°✿
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✿°คгฬєภ°✿ asked in Matematica e scienzeChimica · 1 decade ago

reazione chimica.... martedi esame!!!?

chi mi risolve questa reazione?

bicromato di potassio+acido solforoso+acido solforico--->

grazie mille!!!! :-)

1 Answer

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  • Mario
    1 decade ago
    Favorite Answer

    è un'ossidoriduzione, si ossida l'acido solforoso:

    1) bilanci gli elettroni

    2) bilanci tutti gli atomi

    K2Cr2O7 + 3H2SO3 + H2SO4 --> 4 (SO4)2- + 4H2O + 2Cr3+ + 2K+.

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