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WorksheetsChemistry 10-4-1 week
Total questions: 15
Worksheet time: 11mins
Check the reactions which are undergone by alkenes.
oxidation
addition
substitution
polymerization
neutralization
Products of combustion of an alkene are:
CO and O2
CO and H2O
CO2 and H2O
CO2 and O2
Alkenes are easy oxidized, by using KMnO4
True
False
Alkenes reacted with hydrogen in the presence of ......... catalysts:
Ni
Pd
Pt
Pb
These species are called (a) they
possess a positive or partial positive charge
somewhere in their structure.
A (a) is forming positively charged carbon species
The rule states that negative part of the addendum (adding molecule) gets attached to that carbon atom which possesses lesser number of hydrogen atoms.
Addition rule
Markovnikov rule
The word “isomer” is derived from the Greek words “isos” and “meros”, which mean “________”. This term was coined by the Swedish chemist Jacob Berzelius in the year 1830.
equal
equal terms
equal parts
same
Non-hydrogen groups / atoms on the SAME side of C=C bond in three-dimensional space. What this sentence is about?
cis isomerism
isomerism
trans isomerism
We can produce/prepare alkenes from
alkanes + cracking
alkynes + hydrogenation
from alcohols + hydration
halids+ dehydration
Which is / are true about alkenes?
carbon-carbon double bond
carbon-carbon triple bond.
one strong sigma bond and one weak pi (π)
one strong sigma bond and two weak pi (π) bond
Describe the structure of double bond in alkenes.
Which one of them 2,3-dimethyl-1-pentene
In alkenes as number of C atoms (a) , m.p., b.p. and density also increases
In one of the reaction in alkanes brown color disappear when they react with .....
chlorine
bromine
KMnO4
Alcohols
