CHEM BRAIN

Which of the following transitions have minimum wavelength [DPMT 2005]

Which of the following transitions have minimum wavelength [DPMT 2005]

The energy of electron in hydrogen atom in its grounds state is –13.6 eV. The energy of the level corresponding to the quantum number equal to 5 is [Pb. CET 2002] 

The ionisation potential of a hydrogen atom is –1 3.6 eV. What will be the energy of the atom corresponding to n = 2 [Pb. CET 2000]

According to Bohr’s principle, the relation between principle quantum number (n) and radius of orbit is b

In Bohr’s model, atomic radius of the first orbit is y , the radius of the 3^rd orbit is [MP PET 1997; Pb. CET 2001] 

The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1 , would be (Rydberg constant 1.097 x 10⁷  m^-1 )  [AIEEE 2004]

The frequency of radiation emitted when the electron falls from n = 4 to n = 1 in a hydrogen atom will be (Given ionization energy of H = 2.18 x 10^-18 J atom^-1 h = 6.625 x 10^-34 Js ) [CBSE PMT 2004]

The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom [IIT Screening 2004]

The ratio of area covered by second orbital to the first orbital is [A FMC 2004] 

Splitting of spectral lines under the influence of magnetic field is called [MP PET 2004]

The frequency corresponding to transition n = 2 to n = 1 in hydrogen atom is [MP PET 2003]

Ratio of radii of second and first Bohr orbits of H atom [BHU 2003]

Energy of the electron in Hydrogen atom is given by [AMU (Engg.) 2002]

The ratio between kinetic energy and the total energy of the electrons of hydrogen atom according to Bohr’s model is [Pb. PMT 2002]

Bohr model of atom is contradicted by [MP PMT 2002] 

The value of the energy for the first excited state of hydrogen atom will be [MP PET 2002]

The formation of energy bonds in solids are in accordance with [DCE 2001] 

The radius of first Bohr’s orbit for hydrogen is 0.53 Å. The radius of third Bohr’s orbit would be [MP PMT 2001]

Radius of the first Bohr’s orbit of hydrogen atom is [RPET 2000] 

The electronic energy levels of the hydrogen atom in the Bohr’s theory are called [AMU 2000] 

The electronic energy levels of the hydrogen atom in the Bohr’s theory are called [AMU 2000]

In an electron is  going away from nucleus, the energy of particle [RPMT 1997]

An electronic transition from 1s orbital of an atom causes [JIPMER 1997]

The first use of quantum theory to explain the structure of atom was made by[IIT 1997; CPMT 2001; J&K CET 2005]

Bohr's radius can have [DPMT 1996]

The energy of an electron in n^th orbit of hydrogen atom is [MP PET 1999] 

The energy of second Bohr orbit of the hydrogen atom is – 328 kJ mol^–1 , hence the energy of fourth Bohr orbit would be [CBSE PMT 2005] 

Energy of orbit [DPMT 1984, 91]

When an electron jumps from L to K shell [CPMT 1983] 

Bohr's model can explain IIT1985

if radius of second orbit of the He⁺ ion is 105.8pm. what is the radius of third orbit of Li⁺² NEET2022