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Dissociation reaction of PH3 at 120^@C i...

Dissociation reaction of `PH_3` at `120^@C` is as follows.`4PH_3(g) rarr P_4(g) + 6H_2(g)`. Write equation for the reaction and half life period for rate = `K[PH_3]` and 37.9 see respectively. How much time required for 3/4 part dissociation? How much part remain undissociated after 1 minute.

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UNITED BOOK HOUSE-SET-11-Exercise
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