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