EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 2 September 2020 Shift 1>Q 32

EASY

JEE Main

IMPORTANT

Earn 100

While titration dilute $HCl$ solution with aqueous $NaOH$ , which of the following will not be required ?

57.14% studentsanswered this correctly

Important Questions on Redox Reactions

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 19th April 2014>Q 33

How many electrons are involved in the following redox reaction ?

{Cr}_{2} O_{7}^{2 -} + {Fe}^{2 +} + C_{2} O_{4}^{2 -} \to {Cr}^{3 +} + {Fe}^{3 +} + {CO}_{2}

(Unbalanced)

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 19th April 2014>Q 34

Consider the reaction :

H_{2} {SO}_{3 (aq)} + {Sn}_{(aq)}^{4 +} + H_{2} O_{(l)} \to {Sn}_{(aq)}^{2 +} + {HSO}_{4 (aq)}^{-} + 3 H_{(aq)}^{+}

Which of the following statements is correct ?

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 16th April 2018>Q 35

In a complexometric titration of metal ion with ligand

M (M e t a l i o n) + L (L i g a n d) \to C (C o m p l e x)

end point is estimated spectrophotometrically (through light absorption). If 'M' and 'C' do not absorb light and only 'L' absorbs then the titration plot between absorbed light

(A)

versus volume of ligand 'L'

(V)

would look like:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 12th January 2019 Shift 2>Q 36

Chlorine on reaction with hot and concentrated sodium hydroxide gives.

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 12th January 2019 Shift 1>Q 37

50 mL

of

0 .5 M

oxalic acid is needed to neutralize

25 mL

of sodium hydroxide solution. What is the amount of

NaOH

in

50 mL

of the given sodium hydroxide solution?

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 12th April 2019 Shift 1>Q 38

An example of a disproportionation reaction is

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 11th April 2015>Q 39

An element

X

shows

+ 3

, oxidation state in its compounds. Out of the four compounds given below, choose the incorrect formula for the element

X

.

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 6 - Redox Reactions>JEE Main - 10th January 2019 Shift 2>Q 40

In the reaction of oxalate with permanganate in acidic medium, the number of electrons involved in producing one molecule of

{CO}_{2}

is: