Advertisements
Advertisements
Question
Select the correct answer to the reactant added, to give the product in the preparation of hydrogen gas.
\[\ce{Al2(SO4)3 + H2}\]
Options
dilute acid
dilute alkali
cold water
conc. alkali
boiling water
conc. acid
steam
Solution
Reactant added to get the product:
\[\ce{Al2(SO4)3 + H2:Dilute acid}\]
APPEARS IN
RELATED QUESTIONS
Complete the following word equation:
Sodium hydroxide + zinc → hydrogen + _________
Which test should be made before collecting hydrogen in a gas jar?
Why nitric acid is not used in the preparation of hydrogen?
Give a reason for the following:
Zinc granules are used in the lab preparation of hydrogen.
Complete and balance the following reaction.
Mg + H2O →_____________ +___________
‘Hydrogen is obtained by electrolysis of acidified water’.
Answer the following pertaining to the preparation of hydrogen by electrolysis,
Name the electrode –
- through which the current enters the electrolyte.
- at which hydrogen is liberated.
Select the correct options for the following statement:
A metal which reacts with water to give a metallic hydroxide & liberate hydrogen.
Select the correct options for the following statement:
The metal used as a catalyst in hydrogenation of oils.
How did the name ‘hydrogen’ originate? How does hydrogen occur in the combined state?
Give a reason for the following.
Granulated zinc is preferred to metallic zinc in the preparation of hydrogen using dilute acid.
