1.
Which of the following is a linear molecule?
2.
Methane gas is also known as
3.
Which of the following is a linear molecule?
4.
Read the question given below
5.
Saturated hydrocarbons are called
6.
Vapours of acetic acid smell:
7.
The gas which decolourises bromine water is
8.
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:
9.
Carboxylic acids are obtained from alcohols by
10.
Alkanes may be represented by the general formula
11.
The gas which decolourises bromine water is
12.
When propane-1-ol is oxidised, the following product is formed:
13.
Read the question given below
14.
Saturated hydrocarbons are called
15.
Read the question given below
16.
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
18.
The compounds of carbon and hydrogen are called
19.
The compounds whose names end with yne, have between any two carbon atoms
20.
Alkanes may be represented by the general formula
21.
If the molecular formula of an organic compound is C8H16, it is
22.
The number of C-H bonds in acetylene is
23.
The gas which decolourises bromine water is
24.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
25.
Which of the following is a linear molecule?
26.
The compounds of carbon and hydrogen are called
27.
A hydrocarbon with molecular mass 72 u is,
28.
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;
29.
Alkynes may be represented by the general formula
30.
In alkenes, the two carbons are joined by a/an
31.
Select the correct observation about dilute solution of acetic acid.
32.
The organic compounds containing – OH group are called
33.
The acid which can produce carbon from the cane sugar
34.
The compounds whose names end with yne, have between any two carbon atoms
35.
A hydrocarbon with molecular mass 72 u is,
36.
Read the question given below
37.
The gas obtained when sodium acetate is heated with sodalime is
38.
The gas obtained when sodium propanoate is heated with sodalime is
39.
The next higher homologue of propane is
40.
The gas obtained when sodium acetate is heated with sodalime is
