Question Number 146599 by tabata last updated on 14/Jul/21
$$\left(\mathrm{1}\right)\:{from}\:{butanol}\:{what}\:{you}\:{need}\:{prepare}\: \\ $$$$\mathrm{1}\:−{butan}\:? \\ $$$$ \\ $$$$\left(\mathrm{2}\right)\:{from}\:{alchols}\:{prepare}\:\mathrm{1}−{propan}\:? \\ $$$$ \\ $$$$\left(\mathrm{3}\right){from}\:{alkynes}\:{and}\:{what}\:{you}\:{need}\:{prepare}\:{C} \\ $$$${is}\:{and}\:{trans}\:{ethene}\:? \\ $$$$ \\ $$$$\left(\mathrm{4}\right)\:{By}\:{hydrolysis}\:{of}\:{alkyle}\:{halide}\:{prepare}\: \\ $$$$\mathrm{1}−{butane}\:? \\ $$
Commented by tabata last updated on 14/Jul/21
$${help}\:{me}\:{sir}\:{please} \\ $$