Which of the following reactions are correct?

a. MnO4-+H++Fe2+2Mn2++Fe3++H2Ob. C2O42-+MnO4-+H+Mn2++H2O+CO2c. SO2+MnO4-+H+Mn2++H2O+SO3

1. a and c

2. b and c

3. a and b

4. a, b and c

Subtopic:  Chemistry of Mn and Cr Compounds |
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The reaction(s) involved in the preparation of potassium dichromate from iron chromite ore is/are:

1. FeCr2O+ NaOH + O
Na2CrO4 + Fe2O3 + H2O
2. Na2CrO+ H2SO4 (conc.) →
Na2Cr2O+ Na2SO+ H2O
3. Na2Cr2O+ KCl→K2Cr2O7 + NaCl 
4. All of the above.
Subtopic:  Chemistry of Mn and Cr Compounds |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Please attempt this question first.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology