CARBON AND ITS COMPOUNDS

1. Is Ethanol (Ethyl alcohol) a friend or an enemy to mankind? Convey your opinion by giving appropriate reasons. (AS 1, AS 6) 4 Marks

2. A student said that ''though diamond and graphite are allotropic forms of carbon, their properties or different''. Do you support him? If so compare diamond and graphite. (AS 1) 4 Marks

3. Explain about Nanotubes. Write the uses of Nao - tubes. (AS 1) 4 Marks

4. Draw the figure of Ethene (C₂H₄) showing its hybird orbitals. (AS 5) 4 Marks

5. Explain the difference between esterification and saponification reactions of carbon compounds. (AS 1) 4 Marks

6. Fill up the following table. (AS 4) 4 Marks

^Class	^Formula	^Prefix	^Suffix
^Ketones	^{- C = O}	^oxo
	^{- CN}		^{- Carbonytrile}
^Alcohols		^hydroxy
^{Carboxylic acids}	^{- COOH}
	^{- OR}	^{(R) oxy}	^-
^Amines		^amino	^amine
^Esters	^{- COOR}		^{(R).. Carboxylate}
	^{- CONH₂}	^Carbomyl
^{Acid halides}			^{Carboxyl halide}
^Aldehydes	^{- CHO}		^Carboldehyde

^7. ^{(AS 5) 4 Marks}

i) What does the above diagram indicates? Explain.
ii) Label the parts of the figure.

i) What does the beside diagram indicates? Explain.
ii) Label the parts of the figure. (AS 4) 4 Marks

9. Observe the structures of the given hydro carbons

(a) CH₃ - CH₂ - CH₂ - CH₃
(b) CH₃ - CH - CH₃
|
CH₃
i) Write the IUPAC names of the above hydrocarbons.
ii) What difference do you find in their structures? (AS 4) 4 Marks

10. Write the IUPAC names of the following compounds. (AS 1) 4 Marks

11. Write the structural formulae for the following compounds. (AS 1) 4 Marks
i) 2, 3 - di methyl - cyclo hex an - 1 - ol
ii) 3 - bromo - 2 - chloro - 5 - oxo hexanoic acid
iii) 3, 4 - dichloro but - 1 - ene
iv) 3 - amino - 2 - bromo hex an - 1 - ol

12. Suggest a chemical test to distinguish between ethanol and ethanoic acid and explain the procedure. (AS 3) 4 Marks

13. Why are we advised not to use animal fats for cooking? (AS 1, AS 6) 2 Marks

14. Which oils are useful for cooking? Why? (AS 6) 2 Marks

15. Graphene the new wonder material how do you support this statement? (AS 6) 2 Marks

16. Write three structural isomers of the formula C₅H₁₂ (AS 1) 2 Marks

17. Write five different structures of C₆H₁₄ and name the isomers? (AS 1) 2 Marks

18. What is the general formula of Ethers? Give some examples. (AS 1) 2 Marks

19. Write the general formula of esters and give some examples? (AS 1) 2 Marks

20. Explain combustion reaction with one example. (AS 1) 2 Marks

21. Explain the reaction of ethanol with Na. (AS 1) 2 Marks

22. How do the police detect whether the drivers consumed alcohol or not? (using K₂Cr₂O₇) (AS 6) 2 Marks

23. Explain the reaction of ethanoic acid (Acetic acid ) with Sodium metal (AS 1) 2 Marks

24. Balance the following chemical equations. (AS 1) 2 Marks
i) C₂H₆ + O₂ → CO₂ + H₂O
ii) CH₃COOH + NaOH → CH₃COONa + H₂O
O  C

^{i) What do we call this carbon compound?

ii) Who prepared this compound for the first time. (AS 4) 2 Marks}

26. Which hydrocarbons among alkanes, alkenes and alkynes, participate in addition reactions? (AS 1) 1 Mark

27. Which among CH₃COOH, CH₄, C₂H₆, C₂H₅OH react with Sodium metal and evolve Hydrogen. (AS 1) 1 Mark

28. Among CH₄, C₄H₁₀, C₂H₆, C₂H₄, C₃H₆, C₄H₈, C₂H₂, C₄H₆. Which hydrocarbons participate in addition reactions? (AS 1) 1 Mark

Posted Date : 17-11-2020

గమనిక : ప్రతిభ.ఈనాడు.నెట్‌లో కనిపించే వ్యాపార ప్రకటనలు వివిధ దేశాల్లోని వ్యాపారులు, సంస్థల నుంచి వస్తాయి. మరి కొన్ని ప్రకటనలు పాఠకుల అభిరుచి మేరకు కృత్రిమ మేధస్సు సాంకేతికత సాయంతో ప్రదర్శితమవుతుంటాయి. ఆ ప్రకటనల్లోని ఉత్పత్తులను లేదా సేవలను పాఠకులు స్వయంగా విచారించుకొని, జాగ్రత్తగా పరిశీలించి కొనుక్కోవాలి లేదా వినియోగించుకోవాలి. వాటి నాణ్యత లేదా లోపాలతో ఈనాడు యాజమాన్యానికి ఎలాంటి సంబంధం లేదు. ఈ విషయంలో ఉత్తర ప్రత్యుత్తరాలకు, ఈ-మెయిల్స్ కి, ఇంకా ఇతర రూపాల్లో సమాచార మార్పిడికి తావు లేదు. ఫిర్యాదులు స్వీకరించడం కుదరదు. పాఠకులు గమనించి, సహకరించాలని మనవి.