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TLS Online TPP Program

#Question id: 19586

Select the appropriate statement.

#XL - P Chemistry
  1. Both actinoids and lanthanoids are less basic
  2. Both actinoids and lanthanoids are electropositive
  3. Both actinoids and lanthanoids do not exhibit magnetic and spectral properties
  4. Both actinoids and lanthanoids do not show same oxidation of +3
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TLS Online TPP Program

#Question id: 20160

#XL - P Chemistry

If uncertainty in the position of electron is zero, the uncertainty in its momentum would be
TLS Online TPP Program

#Question id: 20161

#XL - P Chemistry

The radius of second Bohr’s orbit is
TLS Online TPP Program

#Question id: 20162

#XL - P Chemistry

For which of the following sets of quantum -numbers an electron will have the highest energy ?
TLS Online TPP Program

#Question id: 20163

#XL - P Chemistry

The uncertainty in the position of an electron (mass 9.1 × 10–28 g) moving with a velocity of 3.0 x 104 cms–1 accurate up to 0.011% will be
TLS Online TPP Program

#Question id: 20164

#XL - P Chemistry

The radius of hydrogen atom in the ground state is 0·53 Å, the radius of 3Li2+ in the similar state is
TLS Online TPP Program

#Question id: 20165

#XL - P Chemistry

Splitting of spectral lines under the influence of magnetic field is called