1.

WhenCH_2 = CH -O - CH_2 - CH_3 reacts with one mole of HI , one of the products formed is

Answer»

`0.693 xx 3 " M Min"^(-1)`
`0.0693 xx 4 " M min"^(-1)`
`0.0693 " M min"^(-1)`
`0.0693 xx 3 " M min"^(-1)`

SOLUTION :`underset ("Intial conc.") (12 M) overset (t_(1//2)) to6Moverset (t_(1//2))to3M `
`t_(1//2)= 10 ` min
`K = (0.693)/10 = 0.693 "min"^(-1)`
As `t_(1//2)` is 10 min , after 20 minutesthe concentrationwill be3 M .
Hence, RATE` = 0.693 xx 3 " M " min^(-1)`


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