HARD
10th CBSE
IMPORTANT
Earn 100

Two compounds “A” and “B” have the same molecular formula C4H8O2. Compound “A” is an acid and compound “B” has a fruity smell. Suggest (i) chemical formulae and (ii) structural formulae of compounds “A” and “B”. Name the functional group of compound “B”. What name would you give to- the relationship between the compounds “A” and “B”?

Important Questions on Carbon and its Compounds

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 16
Why are detergents better cleansing agents than soaps? Explain.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 17
How would you bring about the following conversions? Name the process and write the reaction involved.
(a) ethanol to ethene.
(b) propanol to propanoic acid.
HARD
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 18

What is the role of metal or reagents written on arrows in the given chemical reactions?
(a)
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(b)
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(c)Question Image

MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1
Distinguish between esterification and saponification reactions of organic compounds.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1
With a labelled diagram describe an activity to show the formation of an ester.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1
Write an equation to represent the chemical reaction between ethanol and acidified potassium dichromate.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 1
What is vinegar? Describe with chemical equation its reaction with sodium hydrogen carbonate.
MEDIUM
10th CBSE
IMPORTANT
Core Science Chemistry>Chapter 4 - Carbon and its Compounds>EXERCISE 4C>Q 2
An organic acid “X” is a liquid that often freezes in winter in cold countries, has a molecular formula C2H4O2. On warming with ethanol in the presence of a few drops of concentrated sulphuric acid, a compound “Y” with a sweet smell is formed. (i) Identify “X” and “Y” (ii) Write chemical equations for the reaction involved.