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The frequency corresponding to transition n= 2 to n =1 in hydrogen atom is:
(1) 15.66 x 1010 Hz
(2) 24.66 x 10 14 Hz
(3) 30.57x 10 14 Hz
(4) 40.57 x 10 24 Hz
Ans: 24.66 x 10 14 Hz
Energy of orbit: (1) Increases as we move away from nucleus (2) Decreases as we move away from nucleus (3) Remains same as we move away from nucleus (4)None of the
How do you mean by chemistry?
In a potassium atom, electronic energy levels are in the following order: (1) 4s>3d (2) 4s>4p (3) 4s (4) 4s Ans: 4s
Which of the following sets is possible for quantum numbers : (1) n=4, l=3, m= -2 , s=0 (2) n=4, l=4, m= +2 , s=1/2 (3) n=4, l=3, m= -2 , s=+1/2 (4)
Octet rule is not valid for the molecule: (1) Co 2 (2) H 2 O (3) CO
volatile liquid is placed in a open container for 15 minutes should you expect its mas to
An e - has magnetic quantum number as 3, what is its principal quantum number: (1) 1 (2) 2 (3) 3 (4) 4 Ans: 4
State the function along with one example each of: (i) Antihistamines (ii) Antioxidants (b) What are hybrid propellants?
i want some solved numerical problems on this topic
Chemical Kinetics of the Peroxodisulfate Ion The peroxodisulfate ion is one of the strongest oxidants that are called, although the oxidation reaction is relatively slow.
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