1.
In an experiment to study the properties of ethanoic acid, a student takes about 3 mL of ethanoic acid in a dry test tube. He adds an equal amount of distilled water to it and shakes the test tube well. After some time he is likely to observe that;
2.
Saturated hydrocarbons are called
3.
Select the correct observation about dilute solution of acetic acid.
4.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
5.
The number of C-H bonds in acetylene is
6.
Read the question given below
7.
The gas obtained when sodium acetate is heated with sodalime is
8.
Which of the following is a linear molecule?
9.
If the molecular formula of an organic compound is C8H16, it is
10.
Four students added a small amount of ethanoic acid to sodium bicarbonate. The gas evolved was tested for its behaviour with burning splinter and lime water
11.
The organic compounds containing – OH group are called
12.
Read the question given below
13.
The gas obtained when sodium propanoate is heated with sodalime is
14.
The acid which can produce carbon from the cane sugar
15.
When propane-1-ol is oxidised, the following product is formed:
16.
The gas which decolourises bromine water is
17.
Which of the following is a linear molecule?
18.
The compounds of carbon and hydrogen are called
19.
The next higher homologue of propane is
20.
Alkanes may be represented by the general formula
21.
In alkenes, the two carbons are joined by a/an
22.
A hydrocarbon with molecular mass 72 u is,
23.
Read the question given below
24.
Methane gas is also known as
25.
The gas which decolourises bromine water is
26.
Read the question given below
27.
Alkynes may be represented by the general formula
28.
The compounds whose names end with yne, have between any two carbon atoms
29.
Carboxylic acids are obtained from alcohols by
30.
The compounds of carbon and hydrogen are called
31.
Alkanes may be represented by the general formula
33.
A hydrocarbon with molecular mass 72 u is,
34.
Saturated hydrocarbons are called
35.
A student takes about 2 ml. ethanoic acid in a dry test tube and adds a pinch of sodium hydrogen carbonate to it. He reports the following observations: (I) Immediately a colourless and odourless gas evolves with a brisk effervescence (II) The gas burns lime water milky when passed through it (III) The gas burns with an explosion when a burning splinter is brought near it (IV) The gas extinguishes the burning splinter that is brought near it The correct observations are:
36.
The compounds whose names end with yne, have between any two carbon atoms
37.
Which of the following is a linear molecule?
38.
Vapours of acetic acid smell:
39.
The gas obtained when sodium acetate is heated with sodalime is
40.
The gas which decolourises bromine water is
