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Test: Preparation and Properties of Hydrogen - JEE MCQ


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15 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Preparation and Properties of Hydrogen

Test: Preparation and Properties of Hydrogen for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Test: Preparation and Properties of Hydrogen questions and answers have been prepared according to the JEE exam syllabus.The Test: Preparation and Properties of Hydrogen MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Preparation and Properties of Hydrogen below.
Solutions of Test: Preparation and Properties of Hydrogen questions in English are available as part of our Chemistry for JEE Main & Advanced for JEE & Test: Preparation and Properties of Hydrogen 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 Test: Preparation and Properties of Hydrogen | 15 questions in 20 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
Test: Preparation and Properties of Hydrogen - Question 1
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During cracking of Natural gas, what is produced?

Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 1
Cracking mean thermal decomposition, here thermal decomposition of natural gas produces carbon and hydrogen.
Test: Preparation and Properties of Hydrogen - Question 2
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Which of the following is Radioactive?

Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 2

Among the three isotopes of Hydrogen; protium, deuterium and tritium, a radioactive isotope is tritium and it emits beta rays and its half-life is 12.33 year. The other two isotopes protium deuterium are non Radioactive.

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Test: Preparation and Properties of Hydrogen - Question 3
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What are the reactants and Lane's process?

Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 3

In Lane's process from superheated steam, iron filings are passed over and heated to about 1023 to 1073 Kelvin when hydrogen is formed. The concerned reaction is 3Fe + 4H2O → Fe3O4 + 4H2 at 1023 − 1073 K.

Test: Preparation and Properties of Hydrogen - Question 4
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Which of the following option is true regarding the boiling point of hydrogen isotopes?
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 4
The boiling points of tritium are greater than that of deuterium and that is greater than that of hydrogen. The boiling points in kelvin of hydrogen, deuterium, and tritium are respectively 20,39, 23.67 and 25.
Test: Preparation and Properties of Hydrogen - Question 5
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Among the following, the correct statement is
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 5
Tritium is radioactive and emits low-energy beta-particles. does not exist freely but as ion.
Tritium is about 1 atom per atoms of protium. Hydrogen is less reactive than halogen which are good oxidizing agents.
Thus, (b) is correct.
Test: Preparation and Properties of Hydrogen - Question 6
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Given below are two statements
Assertion (A): Protium and deuterium differ in their rates of reactions.
Reason (R): They have different enthalpies of bond dissociation.
The correct answer is
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 6
bond enthalpy
bond enthalpy .
Due to a difference in their bond dissociation enthalpies, they undergo chemical reactions at different rates. Thus, both, (A) and (R) are true and (R) correctly explains (A).
Test: Preparation and Properties of Hydrogen - Question 7
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The highly pure hydrogen is obtained when?
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 7

Highly pure dihydrogen (H2) that is greater than 99.95% is obtained by electrolysis in warm aqueous barium hydroxide (BaOH(aq)) solution between Nickel electrodes (Ni). This is one of the processes of commercial production of hydrogen.

Test: Preparation and Properties of Hydrogen - Question 8
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Which of the following holds true according to the properties of hydrogen?
I. Hydrogen is the lightest gas.
II. Hydrogen cannot be corrosive.
III. Deuterium is another name for heavy hydrogen.
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 8
  • Hydrogen is the lightest gas and the most abundant element in the universe.
  • Hydrogen can be corrosive at elevated temperatures and pressures. Hence, statement II is incorrect.
  • Deuterium and Protium are the isotopes of the hydrogen
  • Deuterium is another name for heavy hydrogen.
  • It contains one proton and one neutron.
  • Protium has no neutrons in the nucleus.
Test: Preparation and Properties of Hydrogen - Question 9
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Which of the following statements about hydrogen is incorrect?
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 9

Out of three isotopes, protium (1Hl) is the most common.

Test: Preparation and Properties of Hydrogen - Question 10
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Which one of the following pairs of substances on reaction will not evolve gas?
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 10
Since copper is placed below hydrogen in the electrochemical series, thus copper does not give hydrogen with dilute acids. While all other pairs give hydrogen on reaction.
Test: Preparation and Properties of Hydrogen - Question 11
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Nascent hydrogen consists of -
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 11
Nascent hydrogen consists of hydrogen molecules with excess energy. Nascent hydrogen is hydrogen in the form of single atoms, rather than hydrogen in the form of molecules, as it is in the gaseous state. Individual hydrogen atoms or ions are extremely reactive.
Test: Preparation and Properties of Hydrogen - Question 12
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Hydrogen is evolved by the action of cold dil. on
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 12
and liberates from dilute .
Test: Preparation and Properties of Hydrogen - Question 13
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The property of hydrogen which distinguishes it from alkali metals is
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 13
Hydrogen is a non-metal while all other members of group 1 (alkali metals) are metals.
Test: Preparation and Properties of Hydrogen - Question 14
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Hydrogen can behave as a metal
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 14
Metallic hydrogen is a phase of hydrogen when it behaves as electrical conductor. At the high pressure of giga pascals hydrogen exist as a liquid metal.
Liquid metallic hydrogen is thought to be present in large amount in gravitationally compressed interiors of Jupiter and Saturn.
Test: Preparation and Properties of Hydrogen - Question 15
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Reactivity of hydrogen is compared to halogens.
Detailed Solution for Test: Preparation and Properties of Hydrogen - Question 15
Though hydrogen has many properties of halogens, in terms of reactivity it shows very low similarity when compared to halogens. This is one of the reasons, it's probably not placed in halogens, but in alkali metals.
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