1.
The first compound to be prepared in the laboratory was
2.
In order to form branching , an organic compound must have a minimum of
3.
The number of C-H bonds in ethane molecule are
4.
The functional group in butanone is
5.
Sometimes during cooking the bottom of the vessel becomes black from outside. that means
6.
The general formula of an ester where R represents alkyl group is
7.
The IUPAC name of CH3CHO is
8.
The IUAC name of (CH3)2CHCH3 is
9.
Alcohols can be produced by the hydration of
10.
IUPAC name of first member of homologous series of ketones is
12.
The concentration of ethanoic acid in vinegar is
13.
Which of the following can not distinguish ethanol from ethanoic acid?
14.
Soaps are formed by the saponification of
15.
Which of the following is not a crystalline allotropic form of carbon?
16.
Diamond is not a good conductor of electricity because
17.
Dilute alkaline KMnO4 solution is
18.
An example of soap is
19.
The by product in soap industry is
21.
What is observed when acetic acid and sodium bi carbonate salts are mixed?
22.
Which out of the following has smell similar to that of vinegar?
23.
When a substance X is added to the solution of acetic acid a colourless gas is produced which turns lime water milky. The substance X is
24.
When the stopper of a bottle containing a colourless liquid was removed, the bottle gave out a smell like that of vinegar. The liquid in the bottle could be
25.
Sodium hydrogen carbonate solution is added to dilute ethanoic acid. It is observed that
26.
Acetic acid was added to a solid X kept in a test tube. A colourless and odourless gas Y was evolved. The gas was passed through lime water, which turned milky. It was concluded that
27.
2 ml of ethanoic acid were taken in each of the three tubes A, B, C. 2 ml,4 ml, 8 ml of water were added to them respectively. A clear solution is obtained in
28.
The odour of acetic acid resembles that of
29.
A colourless liquid sample was tested with pH paper strip. The colour of the strip changed to reddish pink. The sample could be
30.
How many bonds can carbon atom form in a compound?
31.
CH4+Cl2-X + HCl then X is
32.
Identify X
CH3CH2OH - K2Cr2O7/H2SO4 - X
33.
Which option explain the naming of ethane?
34.
The condensed formula of two compounds is C3H6O. the compounds are
35.
A student studies that vinegar, which is a diluted form of ethanoic acid, freezes during winter. What does this suggest about the physical properties of pure ethanoic acid
36.
Molecular formula of cyclobutane is
37.
Micelle formation helps in keeping the dirt out of the water. what helps the dirt to rise away?
38.
Choose the correct option
39.
Which of the following is not a characteristic of fullerene?
40.
How many single bonds are present in methane?
41.
A hydrocarbon should have a minimum of how many carbon atoms to show isomerism?
42.
Which of the following statements are correct for carbon compounds?
- Most of the carbon compounds are good conductor of electricity
2. Most of the carbon compounds are poor conductor of electricity
-
Force of attraction between molecules of carbon compounds are nor very strong
-
Force of attraction between molecules of carbon compounds are strong
43.
C3H8 belongs to the homologous series of
44.
The number of isomers of pentane is
45.
Which of the following will undergo addition reactions?
46.
Ethanol on complete oxidation gives
47.
Which of the following will give a pleasant smell of ester when heated with ethanol and a small quantity of sulphuric acid?
48.
Name the functional group present in CH3COCH3
49.
Addition reactions take place in
50.
Identify A in the following reaction
CH3COOH+ Na2CO3-A + CO2 + H2O
51.
Which of the following belongs to homologous series of alkynes?
52.
A hydrocarbon has four carbon atoms. Give its molecular formula if it is an alkene
53.
IUPAC name of CH3COOC2H5
54.
In diamond each carbon atom is bonded to four other carbon atoms to form
55.
A soap molecule has a
56.
Which of the following compounds of carbon does not consist of ions?
57.
The IUPAC name of CH3CH2CH=CH2 is?
58.
The property of self- linkage among identical atoms to form long chain compounds is known as
59.
Carbon present in the atmosphere in the form of
