Question

) A gas has two carbon atoms in its molecule. It burns with a sooty flame and is obtained by

the cracking of kerosene. Identify the gas.

(b) Write its electronic and structural formulae. What happens when bromine water is added to

this gas? Write the chemical equation of the reaction involved.

Answer 1

(a). The gas is Ethylene.
(b). Formula - C2H4 or H2C=CH2
When bromine water is added to this gas, the solution turns colourless.

C2H4+Br2--- C2H4Br2 in the presence of Sn2.

Answer 2

Answer:

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