Methyl isocyanide, CH3NC, isomerizes, when heated, to give acetonitrile (methyl cyanide), CH3CN.
CH3NC(g) → CH3CN(g)
The reaction is ﬁrst order. At 230 oC, the rate constant for the isomerization is 6.3 x 10-4/s.
What is the half-life?
5 ( 0 )
Rate constant = 0.693t12
half life (t12)= 0.693rate constant
= 0.6936.3 ×10-4
= 1,100 seconds
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