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Attainment of “equilibrium state” with ...

Attainment of “equilibrium state” with the help of “constancy in intensity of colour” is noticed in the case of ________ in a closed vessel

A

Decomposition of `CaCO_3`

B

Reaction between `N_2` & `O_2`

C

Reaction between `H_2` & `I_2`

D

Decomposition of `PCI_5`

Text Solution

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The correct Answer is:
C
`I_(2)` has violet colour
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