1.

Select the best reagent to carry out the followingtransformations

Answer»

`{:("(I)","(II)","(III)"),("Acetylene",,),(NaNH_(2),H_(2)//Pd,OsO_(4)//NaHSO_(3)):}`
`{:("(I)","(II)","(III)"),("Acetylene",,),(NaNH_(2),H_(2)//"Lindlar",BH_(3)//NaOH),(,"catalyst",H_(2)O_(2)):}`
`{:("(I)","(II)","(III)"),("Acetylene",,),(NaNH_(2),Li//NH_(3),"Cold"KMnO_(4)//),(,,NaOH//H_(2)O):}`
`{:("(I)","(II)","(III)"),("Acetylene",,),(NaNH_(2),H_(2)//"Lindlar",OsO_(4)//NaHSO_(3)),(,"catalyst",):}`

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