A hydrocarbon having the following number of carbon atoms doesn’t exist freely in the atmosphere:?

Pollution Mcqs
BILAL KHATTAK0
A.C16
B.C18
C.Both (a)

Related Mcqs:

  1. The hard Liithosphere was studded with volcanic eruptions pouring out hot lava. The Nitrogen and Carbon Atoms of atmosphere formed nitrides and Carbides respectively by reacting with metallic atoms of lava. The hot water vapours of atmosphere and carbides reacted to form Methane and water vapours and metallic nitrides reacted to form Ammonia. This statement regarding origin and evolution of organic compounds is:
  2. The lower most layer of atmosphere in which man and other living organisms exist is called:?
  3. H/C ration (by weight) for the same number of carbon atoms is the highest in the
  4. H/C ratio (by weight) for the same number of carbon atoms is the lowest in the
  5. Smoking tendency of hydrocarbons of same carbon atoms present in kerosine is maximum for
  6. Smoking tendency of hydrocarbons of same carbon atoms present in kerosine is minimum for
  7. How many carbon atoms are required to form a furan ring (ribofuranose)_____________??
  8. Arrange the following hydrocarbons series in the increasing order of octane number for the same carbon atoms (i) Paraffins (P) (ii) Naphthenes (N) (iii) Aromatics(A)
  9. Arrange the following hydrocarbons series in the increasing order of knock rating for the same carbon atoms (i) Paraffins (P) (ii) Naphthenes (N) (iii) Aromatics(A)
  10. Arrange the following hydrocarbons series in the increasing order of specific heat for the same carbon atoms 1. Paraffins 2. Naphthenes 3. Aromatics

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