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CBSE Class 10 Science Question 7 of 46

Solved 2023 Question Paper CBSE Class 10 Science — Question 7

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Question 7

Consider the structures of the three cyclic carbon compounds A, B and C given below and select the correct option from the following:

Select washing soda from the following : 1. NaHCO3 2. Na2CO3.5H2O 3. Na2CO3.10H2O 4. NaOH. CBSE 2023 Science Class 10 Question Paper Solved.
  1. A and C are isomers of hexane and B is benzene.
  2. A is an isomer of hexane, B is benzene and C is an isomer of hexene.
  3. A is a saturated cyclic hydrocarbon and B and C are unsaturated cyclic hydrocarbons.
  4. A is cyclohexane and B and C are the isomers of benzene.
Answer

A is a saturated cyclic hydrocarbon and B and C are unsaturated cyclic hydrocarbons.

Reason — A is having all the single bonds hence it is a saturated hydrocarbon whereas B and C have double bonds so they are unsaturated cyclic hydrocarbons.