Ethylene di bromide on heating with metallic sodium in ether solution yields

Q. Ethylene di bromide on heating with metallic sodium in ether solution yields

Q. Which alkene on heating with alkaline $KMn{O}_4$ solution gives acetone and a gas, which turns lime water milky?

Q. Assertion :$2$-Bromobutane on reaction with sodium ethoxide in ethanol gives $1$-butene as a major product. Reason: $1$-Butene is more stable than $2$-butene.

Q. Are Ethene- Ethylene
Propene-proplylene
and,Butene-Butylene the same

Q. Assertion :2-Butanol on heating with $H_{2}S{O}_4$ gives 1-butene and 2-butene. Reason: Dehydration of 2-butanol follows Saytzeff rule.