NCERT Class X Science Class: Chapter –4. Carbon and its Compounds – Part-3

Download PDF of This Page (Size: 334K)

Question 12:

Identify the unsaturated compounds from the following

  1. Propane

  2. Propene

  3. Propyne

  4. Chloropropane

  5. (i) and (ii)

  6. (ii) and (iv)

  7. (iii) and (iv)

  8. (ii) and (iii)

Answer: D

Figure shown the unsaturated compounds

Figure Shown the Unsaturated Compounds

Figure shown the unsaturated compounds

Question 13:

Chlorine reacts with saturated hydrocarbons at room temperature in the

  1. Absence of sunlight

  2. Presence of sunlight

  3. Presence of water

  4. Presence of hydrochloric acid

Answer: B

Chlorine saturated hydrocarbons in light

Chlorine Saturated Hydrocarbons in Light

Chlorine saturated hydrocarbons in light

Question 14:

In the soap micelles

  1. The ionic end of soap is on the surface of the cluster while the carbon chain is in the interior of the cluster.

  2. Ionic end of soap is in the interior of the cluster and the carbon chain is out of the cluster.

  3. Both ionic end and carbon chain are in the interior of the cluster

  4. Both ionic end and carbon chain are on the exterior of the cluster

Answer: A

Image the soap micelles

Image the Soap Micelles

Image the soap micelles

Question 15:

Pentane has the molecular formula . It has

  1. 5 covalent bonds

  2. 12 covalent bonds

  3. 16 covalent bonds

  4. 17 covalent bonds

Answer: C

Image structural formula of pentane

Image Structural Formula of Pentane

Image structural formula of pentane

Question 16:

Structural formula of benzene is

(a)

Image the option (a) for benzene

Image the Option (A) for Benzene

Image the option (a) for benzene

(b)

Image the option (b) for benzene

Image the Option (B) for Benzene

Image the option (b) for benzene

(c)

Figure shown the option (c) for benzene

Figure Shown the Option (C) for Benzene

Figure shown the option (c) for benzene

(d)

Imagethe option (d) for benzene

Imagethe Option (D) for Benzene

Imagethe option (d) for benzene

Answer: C

Image the structure of benzene

Image the Structure of Benzene

Image the structure of benzene

Developed by: