Main 31 · Advanced 5
Hydrogen
- Advanced 2022ChemistryList match
LIST-I contains compounds and LIST-II contains reactions
Match each compound in LIST-I with its formation reaction(s) in LIST-II, and choose the correct option
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The highest industrial consumption of molecular hydrogen is to produce compounds of element :
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In the industrial production of which of the following, molecular hydrogen is obtained as a byproduct ?
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Consider the following reaction :
The dihedral angle in product A in its solid phase at 110 K is : - Main 2022ChemistrySingle correct
Boiling of hard water is helpful in removing the temporary hardness by converting calcium hydrogen carbonate and magnesium hydrogen carbonate to
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Addition of to produces :
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reacts with to give :
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Dihydrogen reacts with CuO to give
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Hydrogen has three isotopes : protium (H), deuterium (H or D) and tritium (H or T). They have nearly same chemical properties but different physical properties. They differ in
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Which one of the following reactions indicates the reducing ability of hydrogen peroxide in basic medium ?
- Main 2022ChemistryList match
Match List - I with List - II :
Correct answer is :
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The reaction of with potassium permanganate in acidic medium leads to the formation of mainly :
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High purity (>99.95%) dihydrogen is obtained by
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Which of the following can be used to prevent the decomposition of ?
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Reaction of with gives :
(A)
(B)
(C) LiH
(D) LiCl
(E)
Choose the correct answer from options given below :
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The products obtained from a reaction of hydrogen peroxide and acidified potassium permanganate are
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Given below are two statements.
Statement I: Hydrogen peroxide can act as an oxidizing agent in both acidic and basic conditions.
Statement II: Density of hydrogen peroxide at 298 K is lower than that of .
In the light of the above statements, choose the correct answer from the options given below.
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The oxidation state of manganese in the product obtained in a reaction of potassium permanganate and hydrogen peroxide in basic medium is ______.
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The metal salts formed during softening of hardwater using Clark's method are :
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The products obtained during treatment of hard water using Clark's method are :