1.
The compounds whose names end with yne, have between any two carbon atoms
2.
Select the correct observation about dilute solution of acetic acid.
3.
The acid which can produce carbon from the cane sugar
4.
The compounds of carbon and hydrogen are called
6.
The compounds of carbon and hydrogen are called
7.
Which of the following is a linear molecule?
8.
The gas obtained when sodium propanoate is heated with sodalime is
9.
In alkenes, the two carbons are joined by a/an
10.
Read the question given below
11.
Which of the following is a linear molecule?
12.
Read the question given below
13.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
14.
Saturated hydrocarbons are called
15.
The gas which decolourises bromine water is
16.
The gas obtained when sodium acetate is heated with sodalime is
17.
The organic compounds containing – OH group are called
18.
Methane gas is also known as
19.
Read the question given below
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.
A hydrocarbon with molecular mass 72 u is,
22.
The gas which decolourises bromine water is
23.
Which of the following is a linear molecule?
24.
A hydrocarbon with molecular mass 72 u is,
25.
The compounds whose names end with yne, have between any two carbon atoms
26.
The number of C-H bonds in acetylene is
27.
Alkanes may be represented by the general formula
28.
If the molecular formula of an organic compound is C8H16, it is
29.
Saturated hydrocarbons are called
30.
The gas obtained when sodium acetate is heated with sodalime is
31.
Read the question given below
32.
The gas which decolourises bromine water is
33.
When propane-1-ol is oxidised, the following product is formed:
34.
Alkanes may be represented by the general formula
35.
Carboxylic acids are obtained from alcohols by
36.
Alkynes may be represented by the general formula
37.
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:
38.
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;
39.
Vapours of acetic acid smell:
40.
The next higher homologue of propane is
