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प्रश्न
What property of conc. H2SO4 is made use of in the following case? Give an equation for the reaction in this case:
It’s reaction with ethanol.
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उत्तर
Concentrated sulphuric acid acts as a dehydrating agent in this reaction.
\[\ce{\underset{Ethanol}{C2H5OH} ->[conc.H2SO4][160^\circ C-170^\circ C]\underset{Ethene}{C2H4}}\]
संबंधित प्रश्न
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Distinguish between the following pairs of compounds using the reagent given in the bracket.
Ferrous sulphate solution and ferric sulphate solution. (Using sodium hydroxide solution)
Complete the following equations :
S + conc.HNO3 →
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
Fill in the blank with appropriate word/words :
Oil of Vitriol is ___________
HCl, HNO3 and H2SO4 are formulae of three compounds. Which of these compounds has the highest boiling point and which has the lowest?
Name the following:
A sulphate insoluble in water.
Sulphuric acid is manufactured by the contact process
Name a gas that can be oxidized to sulphur.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
State the observation for the following, when:
Concentrated sulphuric acid is added to carbon.
