Carbon And Its Compounds Class 10 Science Assignment Pdf
Class 10 Science students should refer to the following printable assignment in Pdf for Carbon And Its Compounds in standard 10. This test paper with questions and answers for Grade 10 Science will be very useful for exams and help you to score good marks
Class 10 Science Assignment for Carbon And Its Compounds
Very Short Answers
Short Answers
Long Answers
Question : Name the compound form heating ethanol at 443 K with excess of conc.H2SO4.
Question : What happened when a small piece of sodium is dropped into ethanol ?
Question : Write the chemical equation for the decarboxylation of ethanoic acid?
Question : Give an example of esterification reaction.
Question : Name the product obtained when ethanol is oxidized by either chromic anhydride or alkaline potassium permanganate.
Question : Write the chemical equation repressing the preparation reaction of ethanol from ethane.
Question : Name the 2 elements which are present both in CNG and Petroleum
Question : Draw the electronic dot structure of ethane molecule (C2H6)
Question : Write the IUPAC name of the next homologous of CH3OHCH2CH3.
Question : Define homologous series of organic compounds series of organic compounds ,Mention any two characteristics of homologous series.
Question : Describe a chemical test to distinguish between ethanol and ethanoic acid.
Question : Give the name of functional groups (i)-CHO (ii) –C=0
Question : Why does carbon form compounds mainly by covalent bonding ?
Question : Give a chemical test to distinguish ethanol from ethanoic acid.
Question : Allotropy is a property shown by which class: substances elements compounds or mixtures ? give one examples of allotropy.
Question : How may be the following be obtained from ethanol ? express giving chemical equations. (i) Ethyl ethanoate (ii) Sodium ethoxide.
Question : Describe with chemical equation how ethanoic acid may be obtained from. (i) Ethanol (ii) Methanol
Question : Explain the cleansing action of soap
Question : Distinguish between esterification and saponification reactions of organic compounds 3.
Question : Explain the structure of graphite in term of bonding and give one property based on this structure.
Question : Name the organic acid present in vinegar .write a chemical equation which represents the commercial method for the preparation of this acid from methanol.
(HOTS) QUESTIONS:
Question : Why the colour of potassium permangante disappers,if it is added to warm solution of ethanol.
Question : An organic compound with molecular formula C2H4O2 produces brisk effervescence on addition of sodium carbonate /bicarbonate.
a .Identify the organic compound.
b. Name the gas evolved.
C. How will you test the gas evolved.
d. Write the chemical equation for the above reaction.
e. List two important uses of the above compound.
Question : a.What are the various possible structure formulae of a compound having molecular formula C3H6O .
b. Also give the IUPAC names of the above possible compounds.
c.What is the similarity in these compounds?
Question : A mixture of oxygen and ethyne is burnt for welding ,can you tell why a mixture of ethyne and air is not used .
Question : Two carbon compound A and B have molecular formula C3H8 and C3H6 respectively. Which one of the two is most likely to show addition .justify your answer .Explain with the help of a chemical equation ,how an addition reaction is used in vegetable ghee industry.
Question : 1ml glacial acetic acid and 1ml of ethanol are mixed together in a test tube. Few drops of concentrated sulphuric acid is added in the mixture are warmed in a water bath for 5 min.
a. Name the resultant compound formed.
b. Represent the above change by a chemical equation .
c.What term is given to such a reaction.
d. What are the special characteristics of the compound formed.
Question : An organic compound 'X‘with a molecular formula C2H6O undergoes oxidation in the presence of alkaline KMnO4 and forms the compound 'Y‘.
a. Identify 'X‘ and 'Y‘
b.Write your observation when the compound 'X‘ is made to react with compound 'Y‘ which is used as a preservative for pickles.
PUZZLE :
1. Compounds containing double and triple bonds.
2. A compound which is basic constituent of many cough syrups.
3. Very dilute solution of ethanoic acid.
4. A sweet smelling substance formed by the reaction of alcohol and carboxylic acids.
5. Gas released when sodium metal is dropped in ethanol.
6. The functional group present in methanol.
7. IUPAC name of alkene containing 3 carbon atoms.
8. The number of single covalent compounds present in pentane.
9. First member of homologous serious alkyne.
10. Simplest ketone.
11. Self linking property of carbon.
12. Product formed by dehydration of ethanol in conc. Sulphuric acid.
13. Alcohol whose intake in small quantities can be lethal.
14. Number of single covalent bounds in ammonia.
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