Organic Chemistry - conversion

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i am not sure if this gives good yield of the product

KMnO4 , then decarboxylation

1

you can convert it into nitromethane CH₃NH₂ then add NaNo₂ and HCl and get an alcohol then jst reduce it

1

ethane-->chloroethane-->ethanol-->ethene-->methanal-->methane

i think the yield is good here

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at kartik . how do u proceed in first step ?
mrnobody's looks ok
but can we have a better one ? plz think I've not got any .keep trying.

conversion