If the number 517 * 324 is completely divisible by 3, then the smallest whole number in place of * will be :

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#Question id: 20195

#XL - P Chemistry

Among the following series of transition metal ions, the one where all metal ions have same 3d electronic configuration is

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#Question id: 20196

#XL - P Chemistry

Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is

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#Question id: 20197

#XL - P Chemistry

Which of the following sets of quantum numbers is correct for an electron in 4f – orbital ?

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#Question id: 20198

#XL - P Chemistry

The wavelength of radiation emitted when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant = 1·09 × 10⁷m^–1)

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#Question id: 20199

#XL - P Chemistry

The relationship between energy E, of the radiation with a wavelength 8000 Å and the energy of the radiation with a wavelength 16000 Å is

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#Question id: 20200

#XL - P Chemistry

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