MEDIUM
JEE Main
IMPORTANT
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Select the incorrect statements about Ellingham diagram.

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Important Questions on General Principles and Processes of Isolation of Elements

HARD
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 1
Why an external emf more than 2.2 V is required for the extraction of Cl2 from brine?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 2
Write the two basic requirements for refining of metal by Mond's process and by van Arkel method.
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 3
A mixture of compounds A and B is passed through a column of aluminium oxide Al2O3 by using alcohol as eluent. Compound A is eluted in preference to compound B. Which of the compounds (A or B) is more readily adsorbed on the column?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 4
How are metals that are used as semiconductors refined? What is the principle of the method used for refining metals like germanium, silicon, etc.?
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 5
When an inert atmosphere is required for a metallurgical process, nitrogen is generally used. However, during the reduction of TiCl4 by magnesium, helium is preferred. Explain.
EASY
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 6
Why metal ores are not found in their nitrate form?
MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 7

Consider the following chromatogram (column chromatography).

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Which substance can act as stationary phase?

MEDIUM
JEE Main
IMPORTANT
Chapterwise/Topicwise Daily Practice Problems (DPP) Inorganic Chemistry Part - 2 JEE Main & Advanced>Chapter 1 - General Principles and Processes of Isolation of Elements>DPP>Q 7

Consider the following chromatogram (column chromatography).

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Which of the three components (A, B or C) is eluted first?