1.
If the molecular formula of an organic compound is C8H16, it is
2.
Read the question given below
3.
The compounds of carbon and hydrogen are called
4.
The acid which can produce carbon from the cane sugar
5.
The compounds whose names end with yne, have between any two carbon atoms
6.
Alkanes may be represented by the general formula
7.
The gas obtained when sodium acetate is heated with sodalime is
8.
When propane-1-ol is oxidised, the following product is formed:
9.
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;
10.
Read the question given below
11.
Saturated hydrocarbons are called
12.
Read the question given below
13.
A hydrocarbon with molecular mass 72 u is,
14.
Vapours of acetic acid smell:
15.
The gas obtained when sodium acetate is heated with sodalime is
16.
Saturated hydrocarbons are called
17.
Which of the following is a linear molecule?
18.
Methane gas is also known as
19.
The number of C-H bonds in acetylene is
20.
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
21.
The compounds of carbon and hydrogen are called
22.
Alkanes may be represented by the general formula
23.
Read the question given below
24.
In alkenes, the two carbons are joined by a/an
25.
Select the correct observation about dilute solution of acetic acid.
26.
The gas which decolourises bromine water is
27.
The gas which decolourises bromine water is
28.
The gas obtained when sodium propanoate is heated with sodalime is
29.
Which of the following is a linear molecule?
30.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
31.
The organic compounds containing – OH group are called
32.
A hydrocarbon with molecular mass 72 u is,
33.
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:
34.
Which of the following is a linear molecule?
35.
Carboxylic acids are obtained from alcohols by
36.
The compounds whose names end with yne, have between any two carbon atoms
37.
Alkynes may be represented by the general formula
39.
The next higher homologue of propane is
40.
The gas which decolourises bromine water is
