H 2 O 2 behaves as a bleaching agent because:

acts as a strong reducing agent in acidic media

acts as a strong reducing agent in basic media

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JEE Exam > JEE Tests > Chemistry for JEE Main & Advanced > Hydrogen - 1 - JEE MCQ

Hydrogen - 1 - JEE MCQ

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30 Questions MCQ Test Chemistry for JEE Main & Advanced - Hydrogen - 1

Hydrogen - 1 for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Hydrogen - 1 questions and answers have been prepared according to the JEE exam syllabus.The Hydrogen - 1 MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Hydrogen - 1 below.

Solutions of Hydrogen - 1 questions in English are available as part of our Chemistry for JEE Main & Advanced for JEE & Hydrogen - 1 solutions in Hindi for Chemistry for JEE Main & Advanced course. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free. Attempt Hydrogen - 1 | 30 questions in 60 minutes | Mock test for JEE preparation | Free important questions MCQ to study Chemistry for JEE Main & Advanced for JEE Exam | Download free PDF with solutions

Hydrogen - 1 - Question 1

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A.
106°
B.
109°28'
C.
120°
D.
97°

Detailed Solution for Hydrogen - 1 - Question 1

Hydrogen - 1 - Question 2

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Detailed Solution for Hydrogen - 1 - Question 2

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Hydrogen - 1 - Question 3

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Hydrogen - 1 - Question 4

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Hydrogen - 1 - Question 5

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Hydrogen - 1 - Question 6

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A.
Mg
B.
Al
C.
Fe
D.
Cu

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Hydrogen - 1 - Question 7

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Hydrogen - 1 - Question 8

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Hydrogen - 1 - Question 9

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A.
8.8
B.
8.4
C.
4.8
D.
5.2

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Hydrogen - 1 - Question 10

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Hydrogen - 1 - Question 11

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Hydrogen - 1 - Question 12

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Hydrogen - 1 - Question 13

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Hydrogen - 1 - Question 14

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Hydrogen - 1 - Question 15

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Hydrogen - 1 - Question 16

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A.
8.8
B.
8.4
C.
4.8
D.
5.2

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Hydrogen - 1 - Question 17

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Hydrogen - 1 - Question 18

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A.
Mg
B.
Al
C.
Fe
D.
Cu

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Hydrogen - 1 - Question 19

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Hydrogen - 1 - Question 20

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Hydrogen - 1 - Question 21

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Hydrogen - 1 - Question 22

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Hydrogen - 1 - Question 23

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Hydrogen - 1 - Question 24

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A.
106°
B.
109°28'
C.
120°
D.
97°

Detailed Solution for Hydrogen - 1 - Question 24

Hydrogen - 1 - Question 25

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Detailed Solution for Hydrogen - 1 - Question 25

Hydrogen - 1 - Question 26

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H₂O₂ behaves as a bleaching agent because:

A.
it absorbs the visible light
B.
acts as a strong reducing agent in acidic media
C.
acts as a strong reducing agent in basic media
D.
it breaks the chemical bonds of the chromophores

Detailed Solution for Hydrogen - 1 - Question 26

H₂O₂behaves as a bleaching agent because it breaks the chemical bonds of the chromophores

Hydrogen - 1 - Question 27

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Stoichiometric compounds of dihydrogen are formed with

A.
f-block elements
B.
s-block elements
C.
d-block elements
D.
p-block elements

Detailed Solution for Hydrogen - 1 - Question 27

Stoichiometric compounds of hydrogen are formed with s-block elements. Only Group I elements form stoichiometric hydrides with Hydrogen as same as halides.

Hydrogen - 1 - Question 28

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Consider the reactions

(A) H₂O₂ + 2HI → I₂ +2H₂O
(B) HOCl + H₂O₂ → H₃O + Cl - - + O₂

Which of the following statements is correct about H₂O₂ with reference to these reactions? Hydrogen perioxide is ________.

A.
an oxidising agent in (A) and reducing agent in (B)
B.
a reducing agent in both (A) and (B)
C.
an oxidising agent in both (A) and (B)
D.
a reducing agent in (A) and oxidising agent in (B)

Detailed Solution for Hydrogen - 1 - Question 28

H₂O₂ is an oxidizing agent in 1st reaction and Reducing agent in 2nd reaction.

Hydrogen - 1 - Question 29

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How many hydrogen-bonded water molecule(s) are associated in CuSO4 . 5H₂O ?

A.
1.0
B.
5
C.
2
D.
none

Detailed Solution for Hydrogen - 1 - Question 29

In crystal structure of Copper sulphate pentahydrate there only 4 water molecule of hydration and one water molecule is associated with hydrogen bonding interaction.

Hydrogen - 1 - Question 30

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Calculate the strength of 5 volume H₂O₂ solution.

A.
2.5% solution
B.
15 g/L solution
C.
10 g/L solution
D.
3.5% solution

Detailed Solution for Hydrogen - 1 - Question 30

Volume strength = 11.2 x M So M = 5/11.2 = 0.446 Strength (g/L ) = 0.446 x 34 = 15.17 g/L

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