New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Redox Reactions question

2019 · 12 Apr · Shift 1 · Q1

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Redox Reactions
2019 · 12 Apr · Shift 1 · Q1

Redox Reactions question

2019 · 12 Apr · Shift 1 · Q1

JEE MainChemistryRedox ReactionsMCQ+4 / −1

An example of a disproportionation reaction is :

A
2 $NaBr$ + $Cl_2$ $\to$ 2 $NaCl$ + $Br_2$
B
2 $KMnO_4$ $\to$ 2 $KMnO_4$ + $MnO_2$ + $O_2$ (3) (4)
C
2 $CuBr$ $\to$ $CuBr_2$ + $Cu$
D
2 $MnO_4$ + 10 $I^-$ + 16 $H^+$ $\to$ 2 $Mn^{2+}$ + 5 $I_2$ + 8 $H_2O$

More from Redox Reactions

The hardness of a water sample (in terms of equivalents of $C a C O_{3}$ ) containing 10–3 M $C a S O_{4}$ is (Molar mass of $C a S O_{4}$ = 136 g mol–1)2019 · MCQ
50 mL of 0.5 M oxalic acid is needed to neutralize 25 mL of sodium hydroxide solution. The amount of NaOH in 50 mL of the given sodium hydroxide solution is -2019 · MCQ
Which of the following reactions is an example of a redox reaction?2017 · MCQ
The volume of 0.1N dibasic acid sufficient to neutralize 1 g of a base that furnishes 0.04 mole of OH− in aqueous solution is :2016 · MCQ
In which of the following reactions $H_{2} O_{2}$ acts as a reducing agent? 1. $H_{2} O_{2}$ + 2 $H^{+}$ + 2e- $\to$ 2 $H_{2} O$ 2. $H_{2} O_{2}$ - 2e- $\to$ $O_{2}$ + 2 $H^{+}$ 3. $H_{2} O_{2}$ + 2e- $\to$ 2 $O H^{-}$ 4. $H_{2} O_{2}$ + 2 $O H^{-}$ - 2e- $\to$ $O_{2}$ + 2 $H_{2} O$ 2014 · MCQ
Consider the following reaction: $x M n O_{4}^{-} + y C_{2} O_{4}^{2 -}$ + z $\to$ $\to$ x $M n^{2 +}$ + 2y $C O_{2}$ + $\frac{z}{2} H_{2} O$ The value's of x, y and z in the reaction are, respectively :2013 · MCQ
Which of the following chemical reactions depicts the oxidizing behaviour of $H_{2} S O_{4}$ ?2006 · MCQ
Which of the following is a redox reaction ?2002 · MCQ