Physical Chemistry
Some Basic Concepts of Chemistry
MCQ (Single Correct Answer)
Chemical Equilibrium
MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Which of the following is not true about the amorphous solids?

A
They may become crystalline on keeping for long time.
B
Amorphous solids can be moulded by heating.
C
They are anisotropic in nature.
D
On heating they may become crystalline at certain temperature.
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

Alkali halides do not show dislocation defect because

A
anions cannot be accommodated in vacant spaces
B
cations and anions have almost equal size
C
there is large difference in size of cations and anions
D
cations and anions have low coordination number
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

In chrysoberyl, a compound containing beryllium, aluminium and oxygen, oxide ions form cubic close packed structure. Aluminium ions occupy $$\frac{1}{4}$$th of octahedral voids. The formula of the compound is

A
$$\mathrm{BeAlO}_4$$
B
$$\mathrm{BeAl}_2 \mathrm{O}_4$$
C
$$\mathrm{Be}_2 \mathrm{AlO}_2$$
D
$$\mathrm{BeAlO}_2$$
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The correct statement regarding defects in solid is

A
Frenkel defect is a vacancy defect
B
Schottky defect is a dislocation defect
C
Trapping of an electron in the lattice leads to the formation of F-centre
D
Schottky defect has no effect on density
KCET Subjects