Question about organic chem

👨🏻‍🏫 學術台化學

[匿名]

2012-08-20 3:29 am

Ethanol reacts with dichromate ions in acidic solution according to the following
equation:
3CH3CH2OH(l)+wCr2O7^2-+xH^+(l)-------->3CH3COOH(aq)+yCr^ 3+ + zH2O(l)

What is the value of w?

更新1:

Thz but can you show the complete step or method of how to find out the answer?I want the complete steps, please!

回答 (2)

己式庚辛

2012-08-22 9:59 am

✔ 最佳答案

圖片參考：http://imgcld.yimg.com/8/n/HA00075708/o/701208190058513873420890.jpg

圖片參考：http://imgcld.yimg.com/8/n/HA00075708/o/701208190058513873420913.jpg

As shown in the 4 images.

2012-08-22 02:01:34 補充：
If you can't see the images clearly, right-click, then choose "View image".
如果圖片看不清楚, 則右鍵-> 顯示圖片.

If you just can't see the images, tell me.

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用戶25529

2012-08-20 7:56 am

3 CH3CH2OH + 2 Cr2O7^(2-) + 16 H^(+) --> 3 CH3COOH + 4 Cr^(3+) + 11 H2O

Therefore, w = 2

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