1.
The gas obtained when sodium acetate is heated with sodalime is
2.
The gas which decolourises bromine water is
4.
The compounds of carbon and hydrogen are called
5.
Vapours of acetic acid smell:
6.
Which of the following is a linear molecule?
7.
The gas which decolourises bromine water is
8.
A hydrocarbon with molecular mass 72 u is,
9.
Which of the following is a linear molecule?
10.
Carboxylic acids are obtained from alcohols by
11.
In alkenes, the two carbons are joined by a/an
12.
The next higher homologue of propane is
13.
Alkynes may be represented by the general formula
14.
If the molecular formula of an organic compound is C8H16, it is
15.
Alkanes may be represented by the general formula
16.
The compounds of carbon and hydrogen are called
17.
Alkanes may be represented by the general formula
18.
The gas obtained when sodium acetate is heated with sodalime is
19.
The gas obtained when sodium propanoate is heated with sodalime is
20.
The gas which decolourises bromine water is
21.
Select the correct observation about dilute solution of acetic acid.
22.
The organic compounds containing – OH group are called
23.
The compounds whose names end with yne, have between any two carbon atoms
24.
Saturated hydrocarbons are called
25.
Saturated hydrocarbons are called
26.
The compounds whose names end with yne, have between any two carbon atoms
27.
Read the question given below
28.
Which of the following is a linear molecule?
29.
Read the question given below
30.
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
31.
Read the question given below
32.
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:
33.
Methane gas is also known as
34.
A hydrocarbon with molecular mass 72 u is,
35.
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;
36.
The acid which can produce carbon from the cane sugar
37.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
38.
When propane-1-ol is oxidised, the following product is formed:
39.
The number of C-H bonds in acetylene is
40.
Read the question given below
