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English Medium Class 10 - CBSE Question Bank Solutions

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Name the gas evolved when ethanoic acid is added to sodium carbonate. How would you prove the presence of this gas?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Which of the following will give brisk effervescence with sodium hydrogen carbonate and why?
CH3COOH, CH3CH2OH

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Name the functional group present in an organic compound which gives brisk effervescence with NaHCO3.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Describe a test for carboxylic acid.

 
 
[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Why is the conversion of ethanol into ethanoic acid an oxidation reaction?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Name one chemical compound which can be used to distinguish between ethanol and ethanoic acid.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Complete the following equation:

`CH_3 COOH + CH_2 H_5 OH` 

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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The organic acid present in vinegar is ______.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What happens when propanoic acid is warmed with methanol in the presence of a few drops of concentrated sulphuric acid? Write equation of the reaction involved.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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propanol into propanoic acid?
Name the process in each case and write the equations of the reactions involved.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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How would you distinguish experimentally between an alcohol and  carboxylic acid on the basis of a chemical property?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What type of compound is formed when a carboxylic acid reacts with an alcohol in the presence of conc. H2SO4?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What will you observe when dilute ethanoic acid and dilute hydrochloric acid are put on universal indicator paper, one by one? What does it show?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What type to compound is CH3COOH?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What is the physical state of CH3COOH?

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Choose those compounds from the following which can turn blue litmus solution red:
HCHO, CH3COOH, CH3OH, C2H5OH, HCOOH, CH3CHO
Give reasons for your choice.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What happens when ethanoic acid reacts with sodium carbonate? Write chemical equation of the reaction involved.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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What is an oxidising agent? 

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Name two oxidising agents which can oxidise ethanol to ethanoic acid.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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Describe one reaction of a carboxylic acid.

[4] Carbon and its Compounds
Chapter: [4] Carbon and its Compounds
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