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Lakhmir Singh Solutions Class 10 Chemistry Solutions for Exercise in Chapter 4 - Chapter 4 Carbon and its Compounds

Question 12 Exercise

(a) Giving their structures, state the number of single bonds, double bonds and triple bonds(if any) following compounds:

(i) ethyne (ii) ethene (iii) benzene

(b) Write the molecular formula and structure of cyclohexane. How many covalent bonds are there in the molecule of cyclohexane?

Answer:

(a) Lakhmir Singh Solutions - Chemistry - Class 10 chapter Chapter 4 Carbon and its Compounds Question 12 Solution image

(i) Ethyne:- Single bonds: Two; Triple bond: One

(ii) Ethene:- Single bonds: Four; Double bond: One

(iii) Benzene: Single bonds C-C: Three; Single bond C-H: Six; Double bonds C=C: Three

(b) C6H12 is cyclohexane.

Lakhmir Singh Solutions - Chemistry - Class 10 chapter Chapter 4 Carbon and its Compounds Question 12 Solution image

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