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Redox Reactions — JEE Main & Advanced NSEC PYQs

11 previous year questions from Redox Reactions with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

11 questionsNSECSolutions on every page

Redox Reactions — JEE Main & Advanced NSEC PYQs

Which of the following cannot act as an oxidising agent?

The table below gives the results of three titrations carried out with 0.200 M HCl to determine the molarity of a given NaOH solution using phenolphthalein as indicator. NaOH was t

Among the following, the reaction/s that can be classified as oxidation- reduction is /are I. Cr ₂ O ₇ ²⁻( aq )+2 OH ⁻( aq ) 2 CrO ₄ ²⁻+ H ₂ O ( l ) II. SiCl ₄( l )+2 Mg ( s ) 2 Mg

In YBa ₂ Cu ₃ O _ 7- x , a superconducting oxide that got George Bednorz and Karl Muller the Nobel prize in 1986, Cu can exist in both +2 and +3 oxidation states and their proporti

While doing titration, a student recorded a burette reading of 10.0 mL for the neutralization of 10.0 ~mL NaHC ₂ O ₄( aq ) with 0.1 M NaOH ( aq ) . In a separate experiment, 10.0 m

Which of the following pairs of compounds can be stable while retaining the identity of each compound in the pair over a period of time? I. FeCl ₃, SnCl ₂ II. HgCl ₂, SnCl ₂ III. F

In the following reaction, the values of a , b and c , respectively are a F ₂( ~g )+ b OH ⁻( aq ) c F ⁻( aq )+ d OF ₂( ~g )+ e H ₂ O ( l )

When 6.8 g of AgNO ₃ completely reacts with H ₃ PO ₂ , metallic silver produced ( g ) and H ₃ PO ₂ consumed (mole) are respectively

Among (i) HCl , (ii) HOClO , (iii) HOClO ₂ and (iv) HOClO ₃ , which cannot undergo a disproportionation reaction?

Aqueous solutions of hydrogen sulphide and sulphur dioxide when mixed together gives

Br ₂ disproportionates to Br ⁻ and BrO ₃⁻ in a hot alkaline solution as 3 Br ₂+6 OH ⁻ 5 Br ⁻+ BrO ₃⁻+3 H ₂ O The equivalent weight of Br ₂ is: ( M = . molar mass of . Br ₂ )