Question

Please answer the top most question

Answer 1

Answer:

1) a. 18 th group helium argon neon etc

b. noble gases eg helium , argon ,neon,

2.

Double bonds are easier to break and that is why they are easily able to react. The ethane is a saturated compound which have only single bond. ... These double bonds may rearrange their order or gets Hydrogen or any other element during the chemical reaction. Thus ETHENE IS MORE REACTIVE THAN ETHANE.

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