1.
Saturated hydrocarbons are called
2.
The gas obtained when sodium acetate is heated with sodalime is
3.
The compounds of carbon and hydrogen are called
4.
The compounds whose names end with yne, have between any two carbon atoms
5.
Carboxylic acids are obtained from alcohols by
6.
Read the question given below
7.
The gas obtained when sodium acetate is heated with sodalime is
8.
Saturated hydrocarbons are called
9.
The organic compounds containing – OH group are called
10.
Which of the following is a linear molecule?
11.
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;
12.
The gas which decolourises bromine water is
13.
In alkenes, the two carbons are joined by a/an
14.
The gas which decolourises bromine water is
15.
Which of the following is a linear molecule?
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
17.
Read the question given below
18.
If the molecular formula of an organic compound is C8H16, it is
19.
Vapours of acetic acid smell:
20.
The acid which can produce carbon from the cane sugar
21.
Read the question given below
22.
A hydrocarbon with molecular mass 72 u is,
24.
The compounds whose names end with yne, have between any two carbon atoms
25.
When propane-1-ol is oxidised, the following product is formed:
26.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
27.
The next higher homologue of propane is
28.
Alkynes may be represented by the general formula
29.
The gas obtained when sodium propanoate is heated with sodalime is
30.
Read the question given below
31.
A hydrocarbon with molecular mass 72 u is,
32.
The compounds of carbon and hydrogen are called
33.
Methane gas is also known as
34.
Which of the following is a linear molecule?
35.
Alkanes may be represented by the general formula
36.
The number of C-H bonds in acetylene is
37.
Alkanes may be represented by the general formula
38.
The gas which decolourises bromine water is
39.
Select the correct observation about dilute solution of acetic acid.
40.
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:
