Download PDF
Free download in PDF Organic Chemistry Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams like UPSC, NDA, SSC etc. These short solved questions or quizzes are provided by Gkseries./p>
(1)
Name the geometry of the central oxygen atom in the ozone molecule (O3).
[A]
Trigonal planar
[B]
Linear
[C]
Tetrahedral
[D]
Pyramidal
(2)
In which molecule there is a complete linear arrangement of all atoms?
[A]
BF3
[B]
NH3
[C]
CO2
[D]
CH4
(3)
Choose the incorrect option.
[A]
BrO4 – tetrahedral
[B]
PF3 – pyramidal
[C]
ClO4 – tetrahedral
[D]
BeBr2 – linear
(4)
Which among the following is not a physical property?
[A]
Melting point
[B]
Boiling point
[C]
Solubility
[D]
Reactivity
(5)
A crystalline solid possess which one of the following property?
[A]
Irregularity
[B]
Non- symmetric
[C]
Perfect geometric pattern
[D]
non- stability
Answer: Perfect geometric pattern
(6)
Melting is process which can be stated by the below statements except?
[A]
Change from a highly disordered stated to an ordered state
[B]
Change from particles in crystal lattice to liquid state
[C]
Thermal energy of particles overcome the intercrystalline forces that hold them
[D]
Change from low temperature to high temperature
Answer: Change from a highly disordered stated to an ordered state
(7)
Which among the following is not associated with intermolecular forces?
[A]
They hold neutral molecules
[B]
Non- electrostatic in nature
[C]
attraction of oppositely charged particles
[D]
dipole-dipole interaction and van der Waals forces
Answer: Non- electrostatic in nature
(8)
Which among the following statement is not true?
[A]
In liquid, particles are less regularly arranged and are free to move
[B]
Boiling involves breaking up of group of molecules in liquid
[C]
Boiling involves clubbing of oppositely charged ions
[D]
Thermal energy of particles overcome cohesive forces that hold them
Answer: Boiling involves clubbing of oppositely charged ions
(9)
When one of the Hydrogen in Methane(CH4) is replaced by a hydroxyl group, then structurally methane resembles?
[A]
Methanol
[B]
Ethanol
[C]
Water
[D]
Both methanol and water
Answer: Both methanol and water
(10)
Which among the following does not match with the term solubility?
[A]
The structural units get separated from each other
[B]
The ion-dipole bond is very strong
[C]
The spaces in between the structures are occupied by solvent molecules
[D]
The electrostatic attraction between the oppositely charged ions and their corresponding ends are called ion-dipole bond
Answer: The ion-dipole bond is very strong
Please share this page