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NX is produced by the following step of ...

NX is produced by the following step of reactions
`M + X_(2) rightarrow MX_(2)`
`3MX_(2) + X_(2) rightarrow M_(3)X_(8)`
`M_(3)X_(8) + N_(2)CO_(3) rightarrow NX + CO_(2) + M_(3)O_(4)`
How much M (metal) is consumed to produce 206 gm of NX? (Take at. wt of M = 56, N=23, X = 80]

A

42 gm

B

56 gm

C

`14/3 gm`

D

`7/4 gm`

Text Solution

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The correct Answer is:
A
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