Ethers are formed by the attachment of

  • two alkyl groups to same oxygen atom
  • two alkyl group to different oxygen atoms
  • three alkyl groups to one oxygen atom
  • four alkyl groups to one oxygen atom

What is the general formula of alkynes?

  • cnh2n+2
  • cnh2n
  • cnh2n-2
  • CnHn

The general formula for alcohols is

  • R-OH
  • R-O-R
  • R-COOH
  • R-NH2

The general formula for carboxylic acids is

  • R-OH
  • R-O-R
  • R-COOH
  • R-NH2

IUPAC names are also called

  • systematic names
  • hydrocarbon names
  • scientific names
  • class names

If we remove one hydrogen (H) atom from an alkane (saturated hydrocarbon), we get

  • alkyl group
  • alkene group
  • alkyne group
  • aldehyde group

Organic compounds include

  • alkali metals
  • alkaline earth metals
  • hydrocarbons and their derivatives
  • halogens

Methanoic acid is an example of

  • aldehydes
  • ketones
  • carboxylic acids
  • ethers

Compounds in which one hydrogen atom of an alkane is substituted by one halogen atom are called

  • halo alkanes
  • phenols
  • ethers
  • alcohols

Methyl has the molecular formula

  • CH4
  • CH3
  • CH
  • CH2

Process in which coal is heated in the absence of air at high temperature and converted into coal gas, coal tar, and coke is called

  • destructive distillation
  • distillation
  • burning of coal
  • burning of oxygen

Which of the following is a group of atoms obtained by removing one hydrogen atom from an alkane?

  • alkene
  • alkyne
  • functional group
  • alkyl radical

How many bonding electrons are present in the valence shell of carbon?

  • two
  • three
  • four
  • five

An alkane with molecular formula C6H14 is called

  • butane
  • pentane
  • hexane
  • heptane

An alkane with molecular formula C5H12 is called

  • butane
  • pentane
  • hexane
  • heptane

Which of the following is widely used in the oxy-acetylene welding and cutting metals?

  • ethylene
  • acetylene
  • phenol
  • methanol

Which of the following is used for artificial ripening of fruits?

  • ethylene
  • acetylene
  • phenol
  • methanol

Alcohols (CnH2n+1OH) are formed by the attachment of

  • OH group to hydrocarbon chain
  • HX group to hydrocarbon chain
  • O to hydrocarbon chain
  • H to hydrocarbon chain

As compared to its parent alkane, an alkyl radical contains one

  • less carbon
  • less hydrogen
  • more carbon
  • more hydrogen

Propane (C3H8) and butane (C4H10) in liquid form are used in

  • oxygen cylinders
  • Liquid Petroleum Gas (LPG)
  • Compressed Natural Gas (CNG)
  • nitrogen cylinders
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