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Question
Provide the stock notation for the following compound:
CuO
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Solution
+2 –2
\[\ce{CuO->Cu(II)O}\]
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| Compound | Oxidation no. of underlined element |
| i. \[\ce{\underline{C}_4H4O^{2-}_6}\] | a. +2.5 |
| ii. \[\ce{\underline{N}_3H}\] | b. +1.5 |
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| iv. \[\ce{Na2\underline{S}_4O6}\] | d. `-1//3` |
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\[\ce{Cr2O^2-_7 + H2O -> 2CrO^2-_4 + 2H+}\]
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\[\ce{2Ag+ + Cu -> 2Ag + Cu^2+}\]
