Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Chemistry

Consider the following chemical reaction :

MnO2 + 4 HCl → MnCl2 + 2 H2O + Cl2

In this reaction 

1
HCl is oxidised to Cl2 and MnO2 is reduced to MnCl2
2
HCl is oxidised to H2O and MnO2 is reduced to MnCl2 
3
HCl is reduced to Cl2 and MnO2 is oxidised to MnCl2
4
HCl is reduced to H2O and MnO2 is oxidised to MnCl2
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