Advertisements
Advertisements
Question
Under what conditions can hydrogen be made to combine with nitrogen?
Name the products and write the equation for the reaction.
Solution
Three volumes of hydrogen and one volume of nitrogen react at temperature 450-500°C and pressure 200-900 atm in the presence of a finely divided iron catalyst with molybdenum as a promoter to give ammonia.
N2 + 3H2⇋ 2NH3
APPEARS IN
RELATED QUESTIONS
Give reasons for the following:
Hydrogen can be used as a fuel.
Describe two chemical properties of hydrogen with equations.
Hydrogen is evolved when dilute HCl reacts with magnesium, but nothing happens in the case of mercury and silver. Explain.
Choose terms from the options given in brackets to complete this sentence.
Hydrogen is ………………… soluble in water.
(sparingly, highly, moderately)
State the following pertaining to the physical properties of hydrogen: Solubility in water
State the following pertaining to the physical properties of hydrogen: Effect on moist blue litmus paper.
Complete and balance the equation:
Conversion of hydrogen to -
Hydrogen sulphide - H2 + S → ________
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
State the use of hydrogen –
In hydrogenation of oil and coal
State the use of hydrogen –
In the extraction of metals
