Chemistry Of Hydrocarbons - Chapter No 15
Right Answers have been shown below in red color.
1. The compounds which consist of hydrogen and carbon are called ___________ .
a) Hydrocarbons
b) Carbon
c) Organic
d) Inorganic
2. n-butane is the example of ________.
a) Propane
b) Hydrocarbon
c) Alkenes
d) Butyne
3. The saturated hydrocarbons are the compounds of hydrogen and carbon which
have________.
a) All double bonds
b) All triple bonds
c) All single bonds
d) None of these
4. Alkenes and cycloalkenes are examples of ________.
a) Unsaturated hydrocarbons
b) Aromatic hydrocarbons
c) Simple hydrocarbons
d) Saturated hydrocarbon
5. Alkanes are also called _________.
a) Paraffins
b) Hydrocarbons
c) Organic compounds
d) None of these
6. Alkenes have at least one Carbon–Carbon ________ bond.
a) Single
b) Double
c) Triple
d) None of these
7. Alkynes have at least one carbon-carbon ________ bond.
a) Triple
b) Double
c) Single
d) None of these
8. Methane is also called ________ gas.
a) Hydrogen
b) Nitrogen
c) Marsh
d) Simple
9. The natural gas contains ________ methane.
a) 85-90%
b) 80-85%
c) 75-80%
d) 70-75%
10. The laboratory preparation of methane is given as ________.
11.The boiling point of methane is ___________.
a) -162ºC
b) -192ºC
c) 202ºC
d) 702ºC
12. Methane is ________ in water.
a) Reactive
b) Soluble
c) Insoluble
d) None of these
13. The formula for dichloro methane is _______.
a) CH2 Cl2
b) CH3 Cl2
C) CH3 Cl
d) None of these
14. The formula for tetrachloro methane is__________.
a) CH2 Cl2
b) CH3 Cl2
c) CCl4
d) CHCl3
15. CH3 Cl2 +Cl2 → ____________.
a) CH2 Cl2 + HCl
b) CHCl2 + HCl
C) C+ 4HCl
d) CCl4+ HCl
16. CH4 + 2Cl2 → _________.
a) CCl4 + HCl
b) C+ 4HCl
c) C + 9HCl
d) CHCl3 + HCl
17. The reducing order of reactivity of halogens is ________.
a) Cl2 > Br2 > I2
b) Cl2 < Br2 > I2
c) Br2 >Cl2 > I2
d) I2 > Br2 > Cl2
18. The process of racking represented as_________.
19. The formula for the formaldehyde is ___________.
a) CH3OH
b) HCHO
C) CH4Cl
d) None of these
20. The commercial preparation of “H2” is represented by the following equation.
