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प्रश्न
Choose the current answer from the options given below :
When conc. H2SO4 comes in contact with sugar, it becomes black due to
विकल्प
Hydrolysis
Decolourisation
Dehydration
Hydration
उत्तर
When conc. H2SO4 comes in contact with sugar, it becomes black due to Dehydration.
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संबंधित प्रश्न
Which property of sulphuric acid is shown by the reaction of the concentrated sulphuric acid with Carbon?
Give two balanced reactions of the type to show the following property of sulphuric acid:
Acidic nature.
Why is Concentrated sulphuric acid kept in air tight bottles?
What would you observe in the following case?
Concentrated sulphuric acid is added to equal volumes of cold water.
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Describe the reaction that show
Concentrated sulphuric acid behaves as oxidizing agent.
Name the catalyst used in the process.
Write the equation of the following reaction:
Sulphur is heated with concentrated sulphuric acid
Give one equation to show the following property of sulphuric acid:
Acidic nature
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
