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List of top Chemistry Questions on Redox reactions asked in MHT CET

Calculate the oxidation number of sulfur in \( \text{H}_2\text{SO}_4 \).
What is the oxidation state of chromium in \( \text{K}_2\text{Cr}_2\text{O}_7 \)?
The oxidation number of chlorine in $ \text{Cl}_2 \text{O} $ is:
In the reaction: \[ \text{Zn(s)} + \text{CuSO}_4(aq) \rightarrow \text{ZnSO}_4(aq) + \text{Cu(s)} \] Which of the following is the correct oxidation half-reaction?
How many moles of electrons are required for the reduction of 1 mole of \( \mathrm{Cr^{3+}} \) to \( \mathrm{Cr^0} \) (s)?
In acidic medium, which of the following does not change its colour?
In which of the compounds does 'manganese' exhibit the highest oxidation number?
The half-life of a 1st order reaction is 1 hr. What is the fraction of the reactant remaining after 3 hours?