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प्रश्न
State the use of hydrogen –
In hydrogenation of oil and coal
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उत्तर
Use of hydrogen in the hydrogenation of oil and coal :
- Vegetable oil [palm oil] turns to [vegetable ghee] semisolid fats by hydrogenation in presence of nickel catalyst at 170°C.
- Passage of H2 under high pressure in the presence of a catalyst and at suitable temperature produces a product similar to petroleum.
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संबंधित प्रश्न
Give reasons for the following:
Hydrogen can be used as a fuel.
Discuss the occurrence of hydrogen in the universe and on the earth ?
Discuss the use of hydrogen as a fuel ?
Give the general group study of hydrogen with reference to
valence electrons
Hydrogen is evolved when dilute HCl reacts with magnesium, but nothing happens in the case of mercury and silver. Explain.
Under what conditions can hydrogen be made to combine with oxygen?
Name the products and write the equation for the reaction.
With reference to the uses of hydrogen, give reason for the following:
Reaction of hydrogen with nitrogen under specific conditions finds industrial utility.
Complete and balance the equation:
Conversion of hydrogen to -
Water - 2H2 + O2 → ________
Complete and balance the equation:
Hydrogen in metallurgy - reduction of
Zinc oxide - ZnO + H2 → ________ + ______
State the use of hydrogen –
In the extraction of metals
