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Formation of volatile Ni(CO)(4) and then...

Formation of volatile `Ni(CO)_(4)` and then its subsquent decomposition into Ni and CO makes basis of Mond's process:
`Ni+4CO overset(T_(1))to Ni(CO)_(4) overset(T_(2))to Ni 4CO_(3)`
`T_(1) and T_(2)` are:

A

`100^(@)C, 50^(@)C`

B

`50^(@)C, 100^(@)C`

C

`50^(@)C,230^(@)C`

D

`230^(@),50^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
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Ni(CO)_(4) is

EAN of Ni(CO)_(4)

In [Ni(CO)_(4)] the Ni-C bond possesses :

At high temperature, carbon reacts with water to produce a mixture of CO and H_(2) . C + H_(2) O overset ("Heat heat")rarr CO + H_(2) CO is separated from H_(2) and then used to separate Ni from CO by forming a volatile compound, nickel tetracarbonyl (Ni(CO)_(4)) . Ni + 4CO rarr Ni(CO)_(4) (a) Formation of volatile Ni(CO)_(4) and its subsequent heating give pure Ni . Name the process involved. (b) How many moles of Ni(CO)_(4) could be obtained from CO produced by the reaction of 75.0 g is carbon ?

Oxidation state of Ni in Ni(CO)_4 is

In Ni(CO)_(4) the oxidation state of Ni is:

[Ni(CN)_(4)]^(2-) and [Ni(CO)_(4)] have

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