Question:
Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is ______ × 10–2 g. (Atomic mass of Br = 80 g/mol) [Nearest integer]
Number of grams of bromine that will completely react with 5.0 g of pent-1-ene is ______ × 10–2 g. (Atomic mass of Br = 80 g/mol) [Nearest integer]
Updated On: Jul 6, 2024
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Correct Answer: 1143
Solution and Explanation
\(\frac {5}{70}\) moles of pentene will react with \(\frac {5}{70}\) moles of \(Br_2\)
\(= \frac {5}{70} × 160\)
\(= 11.43\ g\)
\(= 1143×10^{-2} g\)
So, the answer is \(1143\).
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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.
Read More: Ozonolysis
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.
Read More: Unsaturated Hydrocarbon