1.
Carboxylic acids are obtained from alcohols by
2.
The gas obtained when sodium propanoate is heated with sodalime is
3.
The next higher homologue of propane is
4.
Read the question given below
5.
When propane-1-ol is oxidised, the following product is formed:
6.
Vapours of acetic acid smell:
7.
A hydrocarbon with molecular mass 72 u is,
8.
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
9.
The gas which decolourises bromine water is
10.
The gas obtained when sodium acetate is heated with sodalime is
11.
In alkenes, the two carbons are joined by a/an
12.
Alkynes may be represented by the general formula
13.
Which of the following is a linear molecule?
14.
The organic compounds containing – OH group are called
15.
Read the question given below
16.
The gas obtained when sodium acetate is heated with sodalime is
17.
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:
18.
Read the question given below
19.
A hydrocarbon with molecular mass 72 u is,
20.
The gas which decolourises bromine water is
21.
The compounds of carbon and hydrogen are called
22.
The gas which decolourises bromine water is
23.
The number of C-H bonds in acetylene is
24.
If the molecular formula of an organic compound is C8H16, it is
25.
Alkanes may be represented by the general formula
26.
A student takes sodium hydrogen carbonate powder in a test tube and pours 4-5 drops of acetic acid over it. He observes:
28.
Saturated hydrocarbons are called
29.
Saturated hydrocarbons are called
30.
Methane gas is also known as
31.
The acid which can produce carbon from the cane sugar
32.
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;
33.
Which of the following is a linear molecule?
34.
Which of the following is a linear molecule?
35.
The compounds whose names end with yne, have between any two carbon atoms
36.
The compounds of carbon and hydrogen are called
37.
Alkanes may be represented by the general formula
38.
Read the question given below
39.
Select the correct observation about dilute solution of acetic acid.
40.
The compounds whose names end with yne, have between any two carbon atoms