Login
Remember
Register
Studyrankersonline
All Activity
Questions
Unanswered
Categories
Users
Ask a Question
Ask a Question
Recent questions and answers in Class XI Chemistry
0
votes
1
answer
An electron is in one of the 3d orbitals.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
What is the lowest value of n that allows g orbitals to exist?
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
3
answers
Write the electronic configurations of the following ions
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Which of the following are isoelectronic species i.e., those having the same number of electrons
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
The mass of an electron is 9.1 × 10–31 kg. If its K.E. is 3.0 × 10–25 J, calculate its wavelength.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Calculate the wavelength of an electron moving with a velocity of 2.05 × 107 ms–1.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
The electron energy in hydrogen atom is given by En = (–2.18 × 10–18)/n2 J.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
What is the energy in joules, required to shift the electron of the hydrogen atom from the first Bohr orbit
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Calculate the wave number for the longest wavelength transition in the Balmer series of atomic hydrogen.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
The energy associated with the first orbit in the hydrogen atom is –2.18 × 10–18 J atom–1
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
What is the maximum number of emission lines when the excited electron of an H atom
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
How much energy is required to ionise a H atom if the electron occupies n = 5 orbit
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
What is the wavelength of light emitted when the electron in a hydrogen atom
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Electrons are emitted with zero velocity from a metal surface
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
A 25 watt bulb emits monochromatic yellow light of wavelength of 0.57μm
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Electromagnetic radiation of wavelength 242 nm is just sufficient to ionise the sodium atom
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
A photon of wavelength 4 × 10–7 m strikes on metal surface, the work function of
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
What is the number of photons of light with a wavelength of 4000 pm that provide 1 J of energy
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Calculate the wavelength,frequency & wave number of a light wave whose period is 2.0×10–10s.
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
0
votes
1
answer
Find energy of each of the photons which
answered
Apr 20
in
Class XI Chemistry
by
nikhilk25
Expert
(
5.5k
points)
To see more, click for all the
questions in this category
.
Categories
All categories
Biology
(241)
Board Exams
(195)
Class XII Business Studies
(579)
Class XII Accountancy
(22)
Class XII Economics
(25)
Class XII Psychology
(12)
Class XII Political Science
(12)
Class XII Physical Education
(9)
Class XII English
(225)
Class XII Biology
(756)
Class XII Chemistry
(248)
Class XII Physics
(369)
Class XII Maths
(515)
Class XI Business Studies
(1.3k)
Class XI Accountancy
(29)
Class XI Economics
(37)
Class XI Psychology
(5)
Class XI Political Science
(62)
Class XI Physical Education
(26)
Class XI English
(85)
Class XI Biology
(2.9k)
Class XI Chemistry
(501)
Class XI Physics
(409)
Class XI Maths
(529)
Class X Social Science
(8.9k)
Class X Science
(6.7k)
Class X Maths
(1.8k)
Class X English
(1.1k)
Class X Hindi
(598)
Class X Computer
(12)
Class IX Social Science
(3.2k)
Class IX Science
(1.3k)
Class IX Maths
(1.8k)
Class IX English
(1.4k)
Class IX Hindi
(270)
Class IX Computer
(28)
Class VIII Social Science
(151)
Class VIII Science
(833)
Class VIII Maths
(1.0k)
Class VIII English
(73)
Class VIII Hindi
(95)
Class VIII Computer
(5)
Class VII Maths
(887)
Class VII Science
(726)
Class VII English
(10)
Class VII Social Science
(29)
Class VII Hindi
(6)
Class VII Computer
(6)
Class VI Maths
(1.0k)
Class VI Social Science
(8)
Class VI Science
(505)
Class VI English
(3)
Class VI Hindi
(5)
Class VI Computer
(5)
Sanskrit
(1)
Geography
(14)
History
(14)
Political Science
(11)
Who is Who
(0)
Courses
(0)
Other
(14.1k)
Exams
(5)
Science
(1.6k)
Important Questions
(3.9k)
Entertainment
(40)
/*
*/