Oxidation numbers
Quiz by Olga TIMONEY
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14 questions
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- Q1What is the oxidation number of chlorine in sodium chloride (NaCl)?-20+1-130s
- Q2What is the oxidation number of manganese in potassium permanganate (KMnO4)?+5+3+7+230s
- Q3What is the oxidation number of sulfur in hydrogen sulfide (H2S)?-2+1+2-130s
- Q4What is the oxidation number of nitrogen in ammonia (NH3)?-3+3-2+230s
- Q5What is the oxidation number of oxygen in hydrogen peroxide (H2O2)?-2+1-1030s
- Q6What is the oxidation number of carbon in methane (CH4)?+4-40+230s
- Q7What is the oxidation number of chromium in potassium dichromate (K2Cr2O7)?+4+6+3+230s
- Q8What is the oxidation number of iron in iron (II) chloride (FeCl2)?+2-2+1+330s
- Q9What is the oxidation number of hydrogen in compounds?-1+10+230s
- Q10What is the oxidation number of oxygen in most compounds?+20+1-230s
- Q11What is the oxidation number of an element in its elemental form?0-1+2+130s
- Q12What is the oxidation number of chlorine in most compounds?-20-1+130s
- Q13What is the oxidation number of group 1 elements in compounds?0+1-1+230s
- Q14What is the oxidation number of magnesium in MgO?+1+20-230s