10 JEE Main 2020 Redox Reactions previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2020 previous-year questions from the Redox Reactions chapter of Chemistry. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Redox Reactions chapter hub.
100   mL of 0 . 1   M   HCl is taken in a beaker and to it 100   mL 0 . 1   M   NaOH of i…
The redox reaction among the following is
Consider the following reactions: NaCl + K 2 Cr 2 O 7 + H 2 SO 4 Conc. → A + side products A + N a O H → B…
Oxidation number of potassium in K 2 O , K 2 O 2 and K O 2 , respectively, is:
The oxidation states of transition metal atoms in K 2 Cr 2 O 7 ,   KMnO 4 and K 2 FeO 4 , respectively, are x , y…
The volume, in mL , of 0 . 02 MK 2 Cr 2 O 7 , solution required to react with 0 . 288 g of ferrous oxalate in acidic me…
The strength of an aqueous N a O H solution is most accurately determined by titrating: (Note: consider that an appropr…
A 20 . 0   mL solution containing 0 . 2   g impure H 2 O 2 reacts completely with 0 . 316   g of KMnO 4…
While titration dilute HCI solution with aqueous NaOH , which of the following will not be required ?
The compound that cannot act both as oxidizing and reducing agent is