Notifications
Clear all
0
24/12/2021 12:55 pm
Topic starter
S1: In Bohr’s model velocity of electrons increases with decrease in positive charge of nucleus as electrons are not held tightly.
S2: Velocity decreases with an increase in principal quantum number.
(a) Both S1 and S2 are correct.
(b) S1 is correct but S2 is incorrect.
(c) S1 is incorrect but S2 is correct.
(d) Both S1 and S2 are incorrect.
1 Answer
0
24/12/2021 12:56 pm
Correct answer: (c) S1 is incorrect but S2 is correct.
Explanation:
v = 2.18 x \(10^6\frac{Z}{n}\)
As positive charge on the nucleus (Z) decreases, velocity will also decrease. As principal quantum number (n) increases, the velocity decreases.