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Transition Elements - 3
1.
Solubility of KmnO
4
in water is __________% at 20
o
C.
a) 6%
b) 5%
c) 7%
d) 8%
2.
Oxidation state ___________ is exhibited by nearly all outer transition elements.
a) +3
b) -3
c) +2
d) -2
3.
Color of [Ti(H
2
O)
6
]
3
+ ion is ______________.
a) Black
b) Yellow
c) White
d) Blue
4.
The variation pattern of ionic radii of first transition series shows
a) a regular increase
b) a regular decrease
c) A regular decrease and then a slight increase
d) No regular pattern
5.
Strongest magnetism is shown by
a) V
3
b) Cu
2
c) Mn
2
d) Cr
3
6.
Interstitial compounds are not formed by the combination of transition metals and
a) H
b) F
c) N
d) B
7.
The nature of coordination sphere can be
a) Cationic, anionic & neutral
b) Cationic & anionic
c) anionic & neutral
d) Cationic & Neutral
8.
Which element if present as impurity in the ore will be evolved as a gas.
a) Silicon
b) Manganese
c) Sulphur
d) Phosphorus
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