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ECAT Chemistry Chapter 17 Transition Elements Online Test MCQs With Answers
Question # 1
Most common oxidation states shownby cerium are
Choose an answer
+2, +4
+3, +4
+3, +5
+2, +3
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Question # 2
Which is the formula of tetra-ammine chloro-nitro platinum (IV) sulphate
Choose an answer
[Pt(NH
3
)
4
(NO
2
)] SO
4
[Pt NO
2
CI(NH
3
)
4
] SO
4
[Pt CI(NO
2
) (NH
3
)
4
] SO
4
[Pt (NH
3
)
4
(NO
2
) CI] SO
4
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Question # 3
Most transition elements show
Choose an answer
Diamagnetic behavior
Ferromagnetic behavior
Paramagnetic behavior
None of these
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Question # 4
Steel may be manufacture by two processes which two are correct
Choose an answer
Open hearth process and besemer process
Open hearth process and Haber process
Bassemer process and Haber process
Contact process and Haber process
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Question # 5
In an ooctahedral crystal field splitting, the number of orbitals pushed down in energy is
Choose an answer
3
2
5
Zero
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Question # 6
The percentage of carbon in different types of iron products is in the order of
Choose an answer
Cast iron > wrought iron > steel
Wrought iron > steel > cast iron
Cast iron > steel > wrought iron
Cast iron = steel > wrought iron
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Question # 7
Which of the following compounds gives red precipitate with AgNO
3
?
Choose an answer
Kl
K
2
CrO
4
NaBr
NaNO
3
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Question # 8
In the manufacture of iron from haematitie,limestone is added to act as
Choose an answer
Flux
A reducing agent
Slag
An oxidizing agent
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Question # 9
The formula of curprite is
Choose an answer
Cu
2
S
Cus
Cu
2
O
CuCO
3
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Question # 10
Potassium hexacyanoferrate (II) has the formula
Choose an answer
K
4
[Fe(CN)
6
]
K
3
[Fe(CN)
6
]
K
2
[Fe(CN)
6
]
K [Fe(CN)
6
]
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Question # 11
What is the name of the comlex [Ni(CO)
4
]
Choose an answer
Tetracarbonylnickel (o)
Tetracabonylnickel
Tetracabonylnickel (II)
Tetracabonylnickel (IV)
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