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Which is the best method for the synthesis of tert-butyl methyl ether? a) CH3OH + (CH3)3COH...

Which is the best method for the synthesis of tert-butyl methyl ether?

a) CH3OH + (CH3)3COH + H2SO4 at 140° C →

b) CH3ONa + (CH3)3COH →

c) (CH3)3CONa + CH3OCH3 →

d) (CH3)3CONa + CH3I →

e) CH3ONa + (CH3)3CBr →
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