Redox Reactions MCQs Quiz Online PDF Download eBook
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"If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from" Multiple Choice Questions (MCQ) on redox reactions with choices orange to red, orange to green, yellow to green, and yellow to red for accelerated bachelors degree online. Practice redox reactions quiz questions for merit scholarship test and certificate programs for colleges that offer online degrees.
MCQs on Redox Reactions PDF Download eBook
MCQ: If acidified Potassium Dichromate(VI) (K2Cr2O7) acts as oxidizing agent, color changes from
- orange to red
- orange to green
- yellow to green
- yellow to red
C
MCQ: In an acidified solution of Potassium Dichromate(VI) (K2Cr2O7), Dichromate ion (Cr2O7-2) becomes reduced to
- Chromate (V) ions
- Chromium (III) ions
- Chromium (II) ions
- Chromium (VI) ions
B
MCQ: In a reaction between CuSO4(s) and Zn(s),
- Zinc experiences an increase in the oxidation state
- Zinc experiences a decrease in the oxidation state
- Zinc undergoes reduction
- none of above
A
MCQ: Old paintings became decolorized due to
- Lead Sulphide PbS
- Lead Sulphate PbSO4
- Lead Chloride PbCl2
- Lead Oxide PbO
A
MCQ: In a reaction between CuSO4(s) and Zn(s),
- copper gains electrons
- copper is being reduced
- copper experiences a decrease in oxidation state
- all of above
D