EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main 16 March 2021 Shift 1>Q 7

MEDIUM

JEE Main

IMPORTANT

Earn 100

Given below are two statements:

Statement I : $H_{2} O_{2}$ can act as both oxidising and reducing agent in basic medium.

Statement II : In the hydrogen economy, the energy is transmitted in the form of dihydrogen. In the light of the above statements, choose the correct answer from the options given below:

100% studentsanswered this correctly

Important Questions on Hydrogen

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 9th January 2020 Shift 1>Q 8

The hardness of a water sample containing

10^{- 3} M {M g S O}_{4}

expressed as

{C a C O}_{3}

equivalents (in

p p m

) is . (molar mass of

{M g S O}_{4}

is

120.37 g / m o l

)

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 9th January 2019 Shift 2>Q 9

The temporary hardness of water is due to:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 9th January 2019 Shift 1>Q 10

The isotopes of hydrogen are:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 9th April 2016>Q 11

Identify the incorrect statement regarding heavy water:

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 8th April 2019 Shift 2>Q 12

The strength of $11.2$ volume solution of $H_{2} O_{2}$ is

[Given that, the molar mass of $H = 1 g m o l^{- 1}$ and $O = 16 g m o l^{- 1}$ ]

MEDIUM

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 8th April 2018>Q 13

Hydrogen peroxide oxidises

{[Fe {(CN)}_{6}]}^{4 -} to {[Fe {(CN)}_{6}]}^{3 -}

in acidic medium, but reduces

{[Fe {(CN)}_{6}]}^{3 -} to {[Fe {(CN)}_{6}]}^{4 -}

in alkaline medium. The other products formed are, respectively

EASY

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 8th April 2017>Q 14

In which of the following reactions, hydrogen peroxide acts as an oxidizing agent?

HARD

JEE Main

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 14 - Hydrogen>JEE Main - 7th January 2020 Shift 2>Q 15

Among statements

(a) - (d)

, the correct ones are:

(a)

Decomposition of hydrogen peroxide gives di-oxygen.

(b)

Like hydrogen peroxide, compounds, such as

K C l O_{3}, P b (N O_{3})

and

{N a N O}_{3}

When heated liberate di-oxygen.

(c)

2

-Ethylanthraquinone is useful for the industrial preparation of hydrogen peroxide.

(d)

Hydrogen peroxide is used for the manufacture of sodium perborate.