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Transition Elements - 13
1.
When two metals are in contact, the inactive metal corrodes rapidly.
a) True
b) False
2.
Copper ion in tetrammine copper cationic complex is sp3 hybridized.
a) True
b) False
3.
Dichromates are very powerful reducing agents.
a) True
b) False
4.
Pyrolusite when treated with KOH in presence of O
2
or oxidizing agent leads to the formation of potassium maganate.
a) True
b) False
5.
When a complex ion absorbs visible light, it transmits a set of radiations, which impart characteristic colour to it.
a) True
b) False
6.
In aqueous solution manganate and permanganate ions exist in equilibrium.
a) True
b) False
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