Quiz 3 Flashcards
What are the affects of ethylene gas
Loss chlorophyll , Shortening of Stems and bending of stems
what is type of bonds are formed during addition reactions of alkenes
sigma bonds
How are multiple double bonds indicated in the name of an alkene
ene
why are the combustion reactions of alkenes and alkynes important?
To determine their fuel value
what is the general formula of alkenes ?
Cnh2n
How should carbon of the parent chain be number in naming alkenes
The double bound carbons should have the lowest possible number
What is Br2 used as a quantitative test for ?
The presence pf carbon-carbon double bound
What is the natural role of the simplest alkene, ethene ?
Plant hormone
is the same molecular formula but different structures
isomerism
how are pi bonds formed in alkenes
by side on overlap of orbitals
What is the most common form of carbon- carbon bond
Single bond
what is process is used to prepare more branched chain alkenes
catalytic cracking
How are alkenes prepared industrially ?
By thermal cracking and petroleum
what is the molecular formula for ethene
C2H4
What type of reagents do alkenes react with
Electrophiles
