ECAT Chemistry Chapter 18 Fundamental Principles of Organic Chemistry

Major component of natural gas is:

• Ethane A
• Ethene B
• Propane C
• Methane D

The isomers due to the unequal distribution of carbon atoms on either side of the functional group belonging to the same homologous series are called

• Functional isomers A
• Position isomers B
• Chain isomers C
• Metamers D

Products of coal is:

• Peat A
• Lignite B
• Bituminous coal C
• All above D

Which of the following gases is used for illuminating purpose?

• Methane A
• Ethane B
• Propane C
• Butane D

Tetraethyle lead causes disease:

• Typhoid A
• Respiratory B
• Stomach C
• Muscular D

Cracking products are :

• Only alkanes A
• Only alkenes B
• Alkanes and alkenes C
• Alkynes D

Which set of hybrid orbitals has planar triangular shape

• sp³ A
• sp B
• sp² C
• dsp² D

Which set of hybrid orbitals has planar triangle shape?

• sp³ A
• sp B
• sp² C
• dsp² D

Linear shape is associated with which set of hybrid orbitals

• sp A
• sp² B
• sp³ C
• dsp² D

Which of the following is an electrophile

• Bromine A
• KBr B
• NH₃ C
• Benzene D

Who rejected the vital force theory

• Wholer A
• Fisher B
• Newton C
• Lewis D

Diversity of organic compounds in millions is:

• Four A
• Five B
• Six C
• Seven D

Rates of organic reactions are

• Fast A
• Very fast B
• Slow C
• Non-reactive D

The chemist who synthesized urea from ammonium cyanate was

• Berzelius A
• Kolbe B
• Wholer C
• Lavoisier D

A double bond consists of:

• Two sigma bonds A
• One sigma and one pi bonds B
• One sigma and two pi bonds C
• Two pi bonds D

Cracking done at low pressure and with a catalyst is called _______ cracking

• Thermal A
• Catalytic B
• Steam C
• None of them D

The distillation of coal at high temperature and in absence of air is called

• Vacuum distillation A
• Normal distillation B
• Fractional distillation C
• Destructive distillation D

• Addition Elimination A
• Addition Reduction B
• Elimination Reduction C
• Substitution Elimination D

Which of these always applies to a nucleophile

• It attacks a double bond A
• It has a lone pair of electrons B
• It is single atom C
• It is negatively charged D

Which of the following is a product of destructive distillation of coal

• Ammonia A
• Coke B
• Cyanides C
• Kerosene D

The structure of benzene is

• Hexagonal A
• Pyramidal B
• Square planer C
• Tetrahedral D

Peat contains about

• 60% carbon A
• 80% carbon B
• 78% carbon C
• 50% carbon D

Which is a mixture of low boiling hydrocarbon

• Natural gas A
• Petroleum B
• Wood C
• Graphite D

The functional group of acid amide is

• 
  A
• 
  B
• 
  C
• 
  D

Polythene is a polymer of

• Ethane A
• Ethene B
• Acetone C
• Propylene D

The destructive distillation of coal gives three products. What is not the product of destructive distillation of coal

• Coal gas A
• Carbon dioxide B
• Coal tar C
• Coke D

The state of hybridization of carbon atom in methane is:

• sp³ A
• sp² B
• sp C
• dsp² D

The chemist who synthesized urea form ammonia cyanate was:

• Berzelius A
• Kolbe B
• Wohler C
• Lavoiser D

Coal is obtained from dead remains of

• Plants A
• Animals B
• Both a and b C
• None D

Type of isomerism in BrCH=CHBr is:

• Structural isomerism A

• Conformational isomerism

  B
• Geometrical isomerism C
• Positional isomerism D