1.
The first member of alkyne homologous series is
2.
A molecule of ammonia (NH3) has
4.
Identify the unsaturated compounds from the following (i) Propane (ii) Propene (iii) Propyne (iv) Chloropropane
5.
Which of the following does not belong to the same homologous series?
7.
While cooking if bottom of the vessel is getting blackened in the outside, it means that
8.
Buckminster fullerene is an allotropic form of
9.
Chlorine reacts with saturated hydrocarbons at room temperature in the
10.
Butanone is a four carbon compound with functional
11.
Ethanol reacts with sodium and forms two products. These are
13.
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent to e.g., hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
14.
In which of the following compounds, -OH is the functional group?
15.
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
16.
Which of the following statements are usually correct for carbon compounds? These (i) Are good conductors of electricity (ii) Are poor conductors of electricity (iii) Have strong forces of attraction between their molecules (iv) Do not have strong forces of attraction between their molecules
18.
Mineral acids are stronger acids than carboxylic acids because (i) mineral acids are completely ionised (ii) carboxylic acids are completely ionised (iii) mineral acids are partially ionised (iv) carboxylic acids are partially ionised
19.
Carbon exists in the atmosphere in the form of
