Question

give a chemical test to distinguish between ethane and ethane gas

Answer 1

ethane and ethane gas both are same

if you wanna ask about ethane and ethene

there is bromine water test
ethane ( C2H6) do not change the colour of bromine water as it is saturated

while ethene (C2H4) change the colour of bromine water as it is unsturated

Answer 2

hi I m Priyanshi
its a site you may go to see
https://www.nextgurukul.in/nganswers/Given-a-chemical-test-to-distinguish-between-i-ethane-and-ethene-ii-ethanol-and-ethanoic-acid-iii-soaps-and-dete-question-17829.htm
Given a chemical test to distinguish between (i) Ethane and ethene ...