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प्रश्न
Which property of sulphuric acid accounts for its use as a dehydrating agent?
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उत्तर
Sulphuric acid is a powerful dehydrating agent on account of its strong affinity towards water.
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संबंधित प्रश्न
What is the name given to the salts of sulphurous acid?
Give reasons for the following:
Brisk effervescence is seen when oil of vitriol is added to sodium carbonate.
What would you observe in the following case?
100ml of 98% sulphuric acid is kept open.
Choose the current answer from the options given below :
Which of the following gas dissolves in H2SO4 to give alum?
In using sulphuric acid to prepare other acids, as mentioned above, which property of sulphuric acid is used ?
Some properties of sulphuric acid are listed below. Choose the property A, B, C or D which is responsible for the reaction (a) to (e). Some properties may be repeated.
A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
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.
Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write one equation. Each illustrates the above-mentioned properties of sulphuric acid.
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Active metal + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
The following is the typical property of dilute acid. Complete it by inserting suitable words:
\[\ce{Carbonate/hydrogen carbonate + Acid -> \underline{\phantom{.......}} + \underline{\phantom{.......}} + \underline{\phantom{.......}}}\]
