Draw the Electron Dot Structures For Ethanoic Acid - Science

Answer in Brief

Draw the electron dot structures for ethanoic acid




\ce{H - C - C - O - H}\\

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Chapter 4: Carbon and its Compounds - Exercises [Page 78]


NCERT Science Class 10
Chapter 4 Carbon and its Compounds
Exercises | Q 5.1 | Page 78

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Give any two differences between alkanes and alkenes.

‘A’ is an element having four electrons in its outermost orbit. An allotropes ‘B’ of this element is used as a dry lubricant in machinery and in pencil leads. So:
i. Write the name of element ‘A’ and its allotropes.
ii. State whether ‘B’ is a good conductor or non-conductor of electricity?

Define Saturated hydrocarbon.

Define Unsaturated hydrocarbon.

Define Catenation.

Write a short note on Catenation.

Give the names and structural formulae of one saturated cyclic hydrocarbon and one unsaturated cyclic hydrocarbon.

Out of the following pairs of compounds, the unsaturated compounds are:
(a) C2H6 and C4H6
(b) C6H12 and C5H12
(c) C4H6 and C6H12
(d) C2H6 and C4H10

You are given the following molecular formulae of some hydrocarbons:
C5H8; C7H14; C6H6; C5H10; C7H12; C6H12

Which two formulae represent unsaturated hydrocarbons having triple bonds?

A mixture of ethyne (acetylene) and oxygen is burnt for welding. Can you tell why a mixture of ethyne and air is not used?

Fill in the blanks and rewrite the completed statements:

The organic compounds having double or triple bond in them are termed as _________________   _________________.

Explain the following reaction with balanced chemical equation:
Calcium reacts with water. 

Identify the unsaturated compounds from the following:

  1. Propane
  2. Propene
  3. Propyne
  4. Chloropropane

Identify the unsaturated compounds from the following

  1. Propane
  2. Propene
  3. Propyne
  4. Chloropropane

Which among the following are unsaturated hydrocarbons?

  1. \[\ce{H3C - CH2 - CH2 - CH3}\]
  2. \[\ce{H3C - C ≡ C - CH3}\]
  3. \[\begin{array}{cc}
    \ce{H3C - CH - CH3}\\
  4. \[\begin{array}{cc}
    \ce{H3C - C = CH2}\\

Carbon, Group (14) element in the Periodic Table, is known to form compounds with many elements. Write an example of a compound formed with

  1. chlorine (Group 17 of Periodic Table)
  2. oxygen (Group 16 of Periodic Table)

  1. What are hydrocarbons? Give examples.
  2. Give the structural differences between saturated and unsaturated hydrocarbons with two examples each.
  3.  What is a functional group? Give examples of four different functional groups.

Draw the electron dot structure for ethyne.


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