Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Processes of Isolation of Elements
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
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

The tetrahedral voids are present in 0.5 mole of hcp crystal structure

A
$$3.6 \times 10^{23}$$
B
$$9 \times 10^{23}$$
C
$$3.6 \times 10^{24}$$
D
$$6.02 \times 10^{23}$$
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Which of the following is correct order of packing efficiency?

A
hcp = fcc > bcc > sc
B
sc > bcc > hcp = fcc
C
bcc > sc > hcp < fcc
D
fcc = hcp > sc > bcc
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : ZnO becomes yellow when it is heated.

Reason : The anionic sites occupied by unpaired electrons (due to F-centres).

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
4
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Which of the following is an example of network solid?

A
$$\mathrm{SO}_2$$ (solid)
B
$$\mathrm{I}_2$$
C
Diamond
D
$$\mathrm{H}_2 \mathrm{O}$$ (ice)
Questions Asked from MCQ (Single Correct Answer)
AIIMS Subjects