NDA Chemistry - Carbon and Its Different Forms

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Question - 1

IUPAC name of the first member of alkyne is---------------

  • A ethane
  • B ethyne
  • C ethane
  • D acetylene

Question - 2

The saturated hydrocarbons form homologous series with the general formula \({ C }_{ n }{ H }_{ 2n+2 }\). The formula of the second member in this series is

  • A \({ C }_{ 2 }{ H }_{ 2 }\)
  • B \({ C }_{ 2 }{ H }_{ 6 }\)
  • C \({ C }_{ 2 }{ H }_{ 4}\)
  • D \({ C }_{ 2 }{ H }_{ 8}\)

Question - 3

Ethanol on oxidation in the presence of alkaline potassium permaganates or acidified potassium dichromate gives the following acid.

  • A Propanoic acid
  • B Butanoic acid
  • C Methanoic acid
  • D Ethanoic acid

Question - 4

Buckminster fullerence is the allotropic form of---------------

  • A Nitrogen
  • B Carbon
  • C Sulphur
  • D Phosphorous

Question - 5

The functional group of carboxylic acid is-------------------

  • A -OH
  • B -COH
  • C \(_{ \diagup }^{ \diagdown }{ C= }O\)
  • D -COOH

Question - 6

Alkanes have the general formula \({ C }_{ n }{ H }_{ 2n+2 }\).The molecular formula of the first hydrocarbon is---------------

  • A \({ C }{ H }_{ 4}\)
  • B \({ C }_{ 2 }{ H }_{ 4}\)
  • C \({ C }_{ 2 }{ H }_{ 6 }\)
  • D \({ C }_{ 2 }{ H }_{ 2 }\)
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