NCERT Class X Science Class: Chapter –4. Carbon and its Compounds – Part-5

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Question 22:

The correct electron dot structure of a water molecule is

(a)

Image option (a) ,dot structure of a water molecule

Image Option (A) ,Dot Structure of a Water Molecule

Image option (a) ,dot structure of a water molecule

(b)

Image option (b) ,dot structure of a water molecule

Image Option (B) ,Dot Structure of a Water Molecule

Image option (b) ,dot structure of a water molecule

(c)

Image option (c) ,dot structure of a water molecule

Image Option (C) ,Dot Structure of a Water Molecule

Image option (c) ,dot structure of a water molecule

(d)

Image option (d) ,dot structure of a water molecule

Image Option (D) ,Dot Structure of a Water Molecule

Image option (d) ,dot structure of a water molecule

Answer: C

Image dot structure of a water molecule

Image Dot Structure of a Water Molecule

Image dot structure of a water molecule

Question 23:

Which of the following is not a straight chain hydrocarbon?

(a)

Image the option (a) for straight chain hydrocarbon

Image the Option (A) for Straight Chain Hydrocarbon

Image the option (a) for straight chain hydrocarbon

(b)

Image option (b) for straight chain hydrocarbon

Image Option (B) for Straight Chain Hydrocarbon

Image option (b) for straight chain hydrocarbon

(c)

Image option (c) for straight chain hydrocarbon

Image Option (C) for Straight Chain Hydrocarbon

Image option (c) for straight chain hydrocarbon

(d)

Figure shown the option (d) for straight chain hydrocarbon

Figure Shown the Option (D) for Straight Chain Hydrocarbon

Figure shown the option (d) for straight chain hydrocarbon

Answer: D

Image straight chain hydrocarbon

Image Straight Chain Hydrocarbon

Image straight chain hydrocarbon

Question 24:

Which among the following are unsaturated hydrocarbons?

(i)

Figure shown the (i) unsaturated hydrocarbons

Figure Shown the (I) Unsaturated Hydrocarbons

Figure shown the (i) unsaturated hydrocarbons

(ii)

Figure shown the (ii) unsaturated hydrocarbons

Figure Shown the (Ii) Unsaturated Hydrocarbons

Figure shown the (ii) unsaturated hydrocarbons

(iii)

Figure shown the (iii) unsaturated hydrocarbons

Figure Shown the (Iii) Unsaturated Hydrocarbons

Figure shown the (iii) unsaturated hydrocarbons

(iv)

Image (iv) unsaturated hydrocarbons

Image (Iv) Unsaturated Hydrocarbons

Image (iv) unsaturated hydrocarbons

  1. (i) and (iii)

  2. (ii) and (iii)

  3. (ii) and (iv)

  4. (iii) and (iv)

Answer: C