Avogadro's Number NEET Questions

Avogadro's Number MCQ Questions

13.
How many formula units are there in 0.5 moles of NaCl?
A.
3.011 x 10²³
B.
6.022 x 10²³
C.
1.204 x 10²⁴
D.
9.022 x 10²³
ANSWER :
B. 6.022 x 10²³
14.
Which of the following represents Avogadro’s hypothesis?

NEET - 2024

A.
Equal volumes of gases contain equal masses
B.
Equal volumes of gases contain equal numbers of molecules
C.
Equal moles of gases contain equal volumes
D.
Equal moles of gases contain equal masses
ANSWER :
B. Equal volumes of gases contain equal numbers of molecules
15.
What is the significance of Avogadro's number in chemistry?
A.
Relates mass to volume
B.
Relates particles to moles
C.
Relates temperature to volume
D.
Relates moles to pressure
ANSWER :
B. Relates particles to moles
16.
How many ions are present in 1 mole of NaCl?
A.
6.022 x 10²³
B.
3.011 x 10²³
C.
1.204 x 10²⁴
D.
9.022 x 10²³
ANSWER :
A. 6.022 x 10²³
17.
What is the relationship between Avogadro's number an4 the molar volume of a gas at STP?
A.
4irectly proportional
B.
Inversely proportional
C.
Equal to the molar volume
D.
Unrelate4 to molar volume
ANSWER :
B. Inversely proportional
18.
How many atoms are present in 1 mole of O₂ molecules?
A.
6.022 x 10²³
B.
1.204 x 10²⁴
C.
3.011 x 10²³
D.
1.5 x 10²⁴
ANSWER :
B. 1.204 x 10²⁴