1.
The gas which decolourises bromine water is
2.
Which of the following is a linear molecule?
3.
The acid which can produce carbon from the cane sugar
4.
The compounds of carbon and hydrogen are called
5.
When propane-1-ol is oxidised, the following product is formed:
7.
The compounds whose names end with yne, have between any two carbon atoms
8.
A hydrocarbon with molecular mass 72 u is,
9.
Read the question given below
10.
The number of C-H bonds in acetylene is
11.
Read the question given below
12.
The gas which decolourises bromine water is
13.
Alkynes may be represented by the general formula
14.
Alkanes may be represented by the general formula
15.
The compounds whose names end with yne, have between any two carbon atoms
16.
A hydrocarbon with molecular mass 72 u is,
17.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
18.
The organic compounds containing – OH group are called
19.
The next higher homologue of propane is
20.
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:
21.
Alkanes may be represented by the general formula
22.
Which of the following is a linear molecule?
23.
The gas obtained when sodium acetate is heated with sodalime is
24.
If the molecular formula of an organic compound is C8H16, it is
25.
Read the question given below
26.
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;
27.
Which of the following is a linear molecule?
28.
The gas which decolourises bromine water is
29.
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
30.
The gas obtained when sodium acetate is heated with sodalime is
31.
In alkenes, the two carbons are joined by a/an
32.
The compounds of carbon and hydrogen are called
33.
Methane gas is also known as
34.
Select the correct observation about dilute solution of acetic acid.
35.
Read the question given below
36.
The gas obtained when sodium propanoate is heated with sodalime is
37.
Saturated hydrocarbons are called
38.
Carboxylic acids are obtained from alcohols by
39.
Vapours of acetic acid smell:
40.
Saturated hydrocarbons are called
