What is the change in electrons for sulfur in the following reaction? SO2 (aq) + Cr2O7^2-(aq) -> SO4^2- (aq) + Cr^3+ (aq)

Question

What is the change in electrons for sulfur in the following
reaction?
SO2 (aq) + Cr2O7^2-(aq) -> SO4^2- (aq) + Cr^3+ (aq)

A. Gain 3 electrons
B. Gain 5 electrons
C. Lose 2 electrons
D. Lose 1 electron

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Nguyệt Ánh 4 years 2021-08-29T03:33:55+00:00 1 Answers 10 views 0

Answers ( )

  1. ngockhue
    0
    2021-08-29T03:35:47+00:00
    Reply

    Answer:

    Sulfate loses 2 electrons to sulphur dioxide.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )