Page No 68: - Chapter 4 - Carbon & Its Compounds - Ncert Solutions class 10 - Science

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Question 1:

How many structural isomers can you draw for pentane?

Answer:

Three structural isomers are possible for pentane.

(i)

(ii)

(iii)

Question 2:

What are the two properties of carbon which lead to the huge number of carbon compounds we see around us?

Answer:

The two features of carbon that give rise to a large number of compounds are as follows:

(i) Catenation − It is the ability to form bonds with other atoms of carbon.

(ii) Tetravalency − With the valency of four, carbon is capable of bonding with four other atoms.

Question 3:

What will be the formula and electron dot structure of cyclopentane?

Answer:

The formula for cyclopentane is C₅H₁₀. Its electron dot structure is given below.