NCERT Class 10 Science Chapter 4 Carbon and its Compounds Extra Questions and Answers
Class 10 Science Chapter 4 Extra Questions and Answers – Carbon and its Compounds. Here in this Page Class X Students can Learn Extra Questions & Answer 4th Chapter Science fully Inside.
We Provided Here Carbon and its Compounds Science Chapter 4 MCQ Questions, Very Short Type Questions and Short Type Questions.
Class 10 Science Chapter 4 Extra Question with Answer – Carbon and its Compounds
Science Chapter 4 Carbon and its Compounds Class 10 Inside 3 marks, 2 Marks & And 1 Marks Important Questions and Answers.
Multiple Choice Questions and Answer
(1) The electronic configuration of an element is found to be 2, 4. How many bonds can one carbon atom form in a compound?
(a)1
(b)2
(c)4
(d)6
Ans: (c) 4
(2) What is the electronic configuration of carbon?
(a)2, 4
(b)2, 8
(c)2, 2, 4
(d)2, 4, 4
Ans: (a) 2, 4
(3) Which of these series can be classified as homologous series?
(a) CHCl3, C2H5OH, C3H7OH
(b) CH3OH, C2H5OH, C3H7OH
(c) CHCl3, C4H9OH, CH3COOH
(d) CH3COOH, C4H9OH, C2H5OH
Ans: (b) CH3OH, C2H5OH, C3H7OH
In case you are missed :- NCERT Extra Questions for Life Processes
(4) A student studies that the carbon compounds CH3OH, C2H5OH, C3H7OH, and C4H9OH can be group as homologues series. Why are these compounds grouped as homologous series?
(a) Because of an increase in number of carbon atom along the series
(b) Because of an increase in number of hydrogen atom along with the series
(c) Because of the presence of the same functional group substitute for hydrogen in a carbon chain
(d) Because of the presence of the same carbon compounds substitute for hydrogen in a carbon chain
Ans: (c) Because of the presence of the same functional group substitute for hydrogen in a carbon chain
(5) A student conducts an activity, where he took a naphthalene balland burn it. He observed that it gives a yellow flame with lots of black smoke and sooty deposits around it. What type of hydrocarbon does naphthalene contain?
(a) Unsaturated, as black smoke represents complete combustion
(b) Unsaturated, as sooty deposit represents unburnt hydrocarbons
(c) Saturated, as it gives a yellow flame which represents complete combustion
(d) Saturated, as the burning of any substance represents a complete combustion
Ans: (b) Unsaturated, as sooty deposit represents unburnt hydrocarbons.
Very Short answer Type Question:
(1) What do you understand by monounsaturated fatty acid?
(2) Butter does not decolorize bromine water, where as cooking oil does.
(3) Why ethyne burns with a sooty flame?
(4) How many structure isomers are possible for butane?
(5) How many covalent bonds are present in butane?
Short Answer Question:
(1) Write the chemical equation for the reaction that takes place when ethanol is mixed with ethanoic acid in presence of an acid.
What is the name given to such reactions?
Write any two uses of the product formed in these reactions.
(2) List in tabular form three physical and two chemical properties on the basis of which ethanol and ethanoic acid can be differentiated.
(3) What is methane? What happens when this compound burns in oxygen?
Long Answer Type Question:
(1) What do you understand by a homologous series? Explain giving one example of homologous series. OR Define homologous series of carbon compound. List any two characteristics of a homologous series.
(2) How are soaps different from detergents? What makes water hard? How is scum formed?
In case you are missed :- NCERT Extra Questions for Control and Coordination