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Class 12 Chemistry
The D- And F- Block Elements Chapter 8
Quiz 1
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The electronic configuration of chromium is:
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1s22s22p63s23p63d44s2
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1s22s22p63s23p64s2
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1s22s22p63s23p63d54s1
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1s22s22p63s23p63d6
The elements which lie between s and p block elements in the long form periodic table are called as:
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Actinides
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d-block elements
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Lanthanides
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Electropositive elements
The inner transition elements are the elements in which the added electrons go to:
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(n-1)d-orbitals
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(n-1)d-orbitals and (n-1)f-orbitals
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(n-1)d-orbitals and ns orbitals
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(n-2)f-orbitals
The second series of transition element starts with:
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Scandium
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Rhodium
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Ytterium
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Actinium
Which form of silver is colourless?
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Ag2+
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Ag
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Ag3+
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Ag+
Which among the following is colourless?
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Sc2+
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Zn2+
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Ti3+
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V3+
Melting point of d block elements across a period:
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Increases from left to right
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Deceases from left to right
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Increases to a maximum at d5 and then decreases with increase of atomic number.
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Does not change on moving from left to right.
Which of the following group of elements are not regarded as transition elements?
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Sc,Y,La
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Cu, Ag, Au
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Zn, Cd, Hg
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Cr ,Mo,W
The first ionization energy of the d-block elements are?
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Lesser than p-block elements
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Between s and p-block elements
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Lesser than s-block elements
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Higher than p-block elements
Which ion will show more paramagnetic behaviour ?
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Cu+
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Fe2+
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Ag+
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Fe3+
0 h : 0 m : 1 s
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