Question:
: Calcium carbide on hydrolysis gives ethylene.
: Calcium carbide contains $C^{4-}$ anions.
: Calcium carbide on hydrolysis gives ethylene.
: Calcium carbide contains $C^{4-}$ anions.
Updated On: Jul 28, 2022
- If both Assertion: and Reason: are true and the Reason: is the correct explanation of the Assertion:
- If both Assertion: and Reason: are true but the Reason: is not the correct explanation of the Assertion:
- If Assertion: is true but Reason: is false
- If both Assertion: and Reason: are false
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The Correct Option is C
Solution and Explanation
$CaC _{2}+2 H _{2} O \longrightarrow Ca ( OH )_{2}+\underset{\text { acetylene }}{ C _{2} H _{2}}$ Calcium carbide contains $C _{2}^{2-}$ anion. Hence, Reason is false.
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Concepts Used:
Alkenes
Alkenes
In organic chemistry, an alkene is a hydrocarbon containing a carbon-carbon double bond.[1]
Alkene is often used as synonym of olefin, that is, any hydrocarbon containing one or more double bonds.
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IUPAC Nomenclature of Alkenes
- An alkene or cycloalkene is indicated by the suffix (ending) ene.
- For the root name, the longest chain must include both carbon atoms of the double bond.
- The root chain must be numbered beginning at the end closest to a double bond carbon atom. If the double bond is in the chain's centre, the nearest substituent rule is used to determine where the numbering begins.
- If the compound contains more than one double bond, it is named with a diene, triene, or equivalent prefix indicating the number of double bonds, and each double bond is assigned a locator number.
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