The electronic configuration of chromium is:
  • 1s22s22p63s23p63d44s2
  • 1s22s22p63s23p64s2
  • 1s22s22p63s23p63d54s1
  • 1s22s22p63s23p63d6
The elements which lie between s and p block elements in the long form periodic table are called as:
  • Actinides
  • d-block elements
  • Lanthanides
  • Electropositive elements
The inner transition elements are the elements in which the added electrons go to:
  • (n-1)d-orbitals
  • (n-1)d-orbitals and (n-1)f-orbitals
  • (n-1)d-orbitals and ns orbitals
  • (n-2)f-orbitals
The second series of transition element starts with:
  • Scandium
  • Rhodium
  • Ytterium
  • Actinium
Which form of silver is colourless?
  • Ag2+
  • Ag
  • Ag3+
  • Ag+
Which among the following is colourless?
  • Sc2+
  • Zn2+
  • Ti3+
  • V3+
Melting point of d block elements across a period:
  • Increases from left to right
  • Deceases from left to right
  • Increases to a maximum at d5 and then decreases with increase of atomic number.
  • Does not change on moving from left to right.
Which of the following group of elements are not regarded as transition elements?
  • Sc,Y,La
  • Cu, Ag, Au
  • Zn, Cd, Hg
  • Cr ,Mo,W
The first ionization energy of the d-block elements are?
  • Lesser than p-block elements
  • Between s and p-block elements
  • Lesser than s-block elements
  • Higher than p-block elements
Which ion will show more paramagnetic behaviour ?
  • Cu+
  • Fe2+
  • Ag+
  • Fe3+
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