1. |
Name the functional groups present in the following compounds. a) CH3 – CO –CH2–CH2 –CH2–CH3 b) CH3 –CH2–CH2 COOH c) CH3 –CH2–CH2–CH2–CHO d) CH3 -–CH2 OH |
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2. |
What is a functional group ? Give example of four different functional groups. |
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03. |
What is a functional group ? Write the formula of functional group (a)
Alcohol and(b) Ketone |
2022 |
04. |
Identify hetero atom(s) in the following compounds : a) CH3 – CH2 – CO – CH3 b) CH3- CH2 - Cl |
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05. |
Define the term functional group. Identify the functional groups present in
thefollowing carbon compounds. I - CH3 –
CO –CH3 II - CH3 - CH2 – COOH |
2024 |
06. |
Given below are the formula of some functional groups : I - CHO II - CO- Write the name of these functional groups. |
2024 |
07. |
Write the formula of the functional group present in (1) aldehydes, and (2)Ketones.
Write chemical equation for the reaction that occurs between ethanoic acid and ethanol in the
presence of a catalyst. |
2024 |
08. |
Identify the functional group present in the following compounds and alsoname
them. a) CH3 – COOH b) HCHO |
2024 |
09. |
The molecular formula of two alkynes A and B are CxH2 and C3Hy respectively. a) Find the value
of x and y. b) Write the names of A and B. |
2022 |
10. |
Consider the following organic compounds : |
2022 |
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I - CH3 – CH2 – CHO II - CH3 – CHO a) Name the functional group present in their compounds. b) Write the general formula for
the compounds of this functional group. c) State the
relationship between these compounds and draw thestructure of any other compounds having similar functional group. |
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11. |
Consider the following molecular formulae of carbon compounds : (i) CH3COOH (ii)
CH3OH (iii) C2H6 (iv) C3H4 (v) C4H8 a) Which one of these compounds belongs to homologous series of
alcohols ? b) Identify the compounds having triple bond between carbon-carbon atoms. \c) Write the molecular formula of the first member of the homologous
series to which CH3COOH belongs. d) Write the general formula of the series to which the compound C4H8 belongs. |
2022 |
12. |
a) In the given compound CH3 – COOH Identify (I) the heteroatom and (II) the functional group b) Write the structural formula of butane(C4H10) c) Draw the complete strucuture of the molecule of
(1) Cyclohexane and (ii) Benzene Which of these two is unsaturated ? |
2022 |
13. |
Consider the following organic compounds I- CH3 – COOH II- CH3 – CH2 – COOH a) Name the functional
group present in these compounds. b) Write the general formula of the compounds having this functional group. |
2022 |
14. |
Name the functional group present in Propanone. |
2020 |
15. |
Name the following compound CH3 –
CHO |
2020 |
16. |
Draw the structure of carboxylic acid containing three carbon atoms. |
2020 |
17. |
Consider the molecular formula of the carbon compounds (a) and (b) given below a) C3H6O b) C3H6O2 |
2020 |
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i) Identify the functional groups in (a) and (b) and writhe their structures. ii) Are (a) and (b)
isomers ? Give reason. |
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18. |
Write the name and structures of (i) an alcohol and (ii) an aldehyde withfour
carbon atoms in their molecules. |
2020 |
19. |
Identify the functional group present in the following compounds: (i) C2H6O (ii) C2H4O |
2019 |
20. |
Write the molecular formula of (i) Ethane and (ii) Ethanoic acid |
2017 |
21. |
Write the name and formula of a carbon compound having
–OH functional group. |
2017 |
22. |
What is a functional group in carbon compound ? Write the structural
formula and the functional group present in (i) Propanol and (ii) Chloropropane |
2017 |
23. |
Write the name of and molecular formula of an
organic compound having its name suffixed with ‘-ol’ and having two carbon
atoms in the
molecule.With the help of a balanced chemical equation indicate what happens when heated with excess of Conc. H2SO4. |
2016 SP |
24. |
Identify the name
of the functional group in
the following compounds. a) CH3 – CH2 – NH2 b) CH3 –CH2 –Br c) CH3 – CHO d) CH3 –
CO - CH3 |
2016 |
25. |
Name the functional group present in the following compound. i) CH3 – CH2 –CH2 –CHO ii) CH3 – CH2 – CH2 –COOH iii) CH3 – CH2 -CHO iv) CH3 – CO – CH2 – CH3 |
2011 |
26. |
Write the name and formual of the first member of the carbon compound
having functional group –CHO. |
2013 |
27. |
Write the name and structure of an alcohol
with three carbon atom in its molecule. |
2016 |
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