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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
Complete the following equations :
C + cons. H2SO4
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
How are the following conversion brought about? Give equation and condition:
Aqueous barium chloride to barium sulphate.
Give examples of the use of sulphuric acid as
An electrolyte in everyday use
Fill in the blank with appropriate word/words :
For the reaction SO2 + O2⇌ SO3 + Heat, the favourable conditions are _________ and __________.
Name two other acids other than sulphuric acid, which can be prepared by using sulphuric acid.
Making use only of substances chosen from those given below:
Dilute sulphuric acid
Sodium carbonate
Zinc
Sodium sulphite
Lead
Salcium carbonate
Give the equation for the reaction by which you could obtain:
(i) Hydrogen
(ii) Sulphur dioxide
(iii) Carbon dioxide
(iv) Zinc Carbonate (two steps required).
Sulphuric acid is manufactured by the contact process.
Why H2SO4 is not obtained by directly reacting SO3 with water?
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Sulphite/hydrogen sulphite + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
Identify the following:
The element having electronic configuration 2, 8, 6.
