TRANSITION ELEMENTS

Q: All chromates are in colour:

(a) :  blue
(b) :  yellow
(c) :  pink
(d) :  red
(e) :  None of the Above
Answer:  yellow
Explanation:  

Q: Group VI-B of transition elements contains:

(a) :  Zn,Cd,Hg
(b) :  Fe,Ru,Os
(c) :  Cr,Mo,W
(d) :  Mn,Te,Re
(e) :  None of the Above
Answer:  Cr,Mo,W
Explanation:  

Q: An atom or molecule having partially filled orbitals show:

(a) :  magnetism
(b) :  paramagnetism
(c) :  diamagnetism
(d) :  none of these
(e) :  None of the Above
Answer:  paramagnetism
Explanation:  As its electrons in paired form cancel out the overall effect of the magnetic field

Q: Why Cr and Cu has half filled s-orbitals?

(a) :  they belong to s-block elements
(b) :  they are alkeli metals
(c) :  they gives stability to d-orbitals
(d) :  they are alkaline earth metals
(e) :  None of the Above
Answer:  they gives stability to d-orbitals
Explanation:  

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