Entry Test 2021 Fundamental Principles of Organic Chemistry MCQS Online Preparation Sample Paper Questions with Answer

Spread the love

Fundamentals principles of organic chemistry, Peculiar Nature of Carbon, Isomerism, Solubility, Natural Gas.

The journey takes us into the fundamental principles of organic chemistry, where carbon is an extraordinary element. Experience the remarkable flexibility of carbon atoms, which make up the backbone of dozens of organic compounds because they are capable of producing powerful covalent bonds with a variety of materials. On Nokryan.com, you’ll discover the complexities of organic chemistry and its relevance to everyday life as you transition to the concept of isomerism.

Fundamental principles of organic chemistry By Nokryan.com

1. Which set of hybrid orbitals has planar triangle shape ?
A = sp3
B = sp
C = sp2
D = dsp2

  • Ccorrect
  • B
  • D
  • A

2. A double bond consists of ?

  • One sigma and one pi bondscorrect
  • One sigma and two pi bonds
  • Two pi bonds
  • Two sigma bonds

3. Ethers show the phenomenon of ?

  • Position isomerism
  • Metamerismcorrect
  • Functional Group isomerism
  • Cis-trans isomerisim

4. Diversity of organic compounds in millions is ?

  • Seven
  • Four
  • Sixcorrect
  • Five

5. Major component of natural gas is ?

  • Ethane
  • Propane
  • Ethene
  • Methanecorrect

6. Cracking products are ?

  • Alkanes and alkenescorrect
  • Only alkenes
  • Only alkenes
  • Alkynes

7. Fossil fuels consist of ?

  • Coal
  • Natural gas
  • Petroleum
  • All of thesecorrect

8. Type of isomerism in BrCH=HBr is ?

  • Geometrical isomerismcorrect
  • Position isomerism
  • Structural isomerism
  • Conformational isomerism

9. Which gasoline is better ?

  • Of high octane
  • Of low molecular mass
  • All of thesecorrect
  • Of low boiling point

10. Type of cracking are ?

  • Steam
  • All a, b, ccorrect
  • Catalytic
  • Thermal

11. The chemist who synthesized urea from ammonium cyanate was ?

  • Lavoisier
  • Berzelius
  • Wohlercorrect
  • Kolbe

12. Linear geometry is present in ?
A = Sp3
B = Sp2
C = Sp
D = d2sp3

  • B
  • D
  • A
  • Ccorrect

13. General formula of carboxylic acid is ?

  • RCOH
  • RCOOR
  • RCOR
  • R-C(O)OHcorrect

14. Linear shape is associated with which set of hybrid orbitals ?
A = sp
B = sp2
C = sp3
D = dsp2

  • Acorrect
  • C
  • D
  • B

15. Self linkage of carbon to produce long chains is ?

  • polymerization
  • isomerism
  • catenationcorrect
  • polymorphism

16. Type of hybridization in CH=CH is ?
A = sp
B = sp2
C = sp3
D = dsp2

  • Bcorrect
  • A
  • D
  • C

17. Source of organic compounds primarily is ?

  • Plants
  • Minerals
  • A & Bcorrect
  • Animals

18. At present oil refineries in Pakistan are ?

  • Three
  • Two
  • Fourcorrect
  • One

19. Number of isomers of butane are ?

  • One
  • Twocorrect
  • Four
  • Three

20. Products of coal is ?

  • Bituminous coal
  • Lignite
  • All abovecorrect
  • Peat

21. Geological survey of Pakistan estimates about billion tons of coal Pakistan ?

  • 1882
  • 184correct
  • 183
  • 185

22. Tetraethyl lead causes disease ?

  • Respiratorycorrect
  • Typhoid
  • Stomach
  • Muscular

23. Wohler synthesized first of all the organic compound ?

  • Ureacorrect
  • Aniline
  • Carbohydrates
  • Toluene

24. The state of hybridization of carbon atom in methane is ?
A = sp3
B = sp2
C = sp
D = dsp2

  • B
  • C
  • D
  • Acorrect

25. In t-butyl alcohol, the tertiary carbon is bonded to ?

  • Two hydrogen atoms
  • One hydrogen atom
  • Three hydrogen atoms
  • No hydrogen atomcorrect

Chemistry

Scroll to Top