Structural Isomerism
|
01. |
How are structure of (i) and (ii) given
below related to one another ? Give reason to
justify your answer. Structure I - (CH3)3
CH –CH – (CH3)2 Structure II – (CH3)3C – CH2 – CH3 Draw
one possible structure for above case. |
2023 |
|
02. |
Draw two structural isomers of butane. |
2023 2022 |
|
03. |
a) How many isomers are possible for
the compound with
the molecular formula C4H8
? Draw the electron dot structure of branched chain isomer. b)
How will
you prove that C4H8 and C5H10 are
homologous ? |
2022 SP |
|
04. |
You have
two carbon compounds with the molecular formula C3H6O. Name two compounds with this formula and
also draw their structural formula. |
2023 |
|
05. |
What are isomers
? Write the structures of two
compounds having molecular formula C3H6O and give their names. |
2023 |
|
06. |
What are structural isomers ? Write
the structure of two
isomers of butane
? |
2024 |
|
07. |
Draw two different possible structures of a saturated
hydrocarbon having four carbon atoms in its molecule. What are these two
structure of the hydrocarbon having same molecular formula called ? Write the
molecular formula and
the common name
of this compound. Also write the molecular
formula of its alkyne. |
2022 |
|
08. |
(i)
A compound with molecular formula
C3H6O has
two isomers. a) Draw the structure of both the isomers. b)
Write their
functional group. (ii)
Why are the compounds of carbon exceptionally stable ? |
2022 |
|
09. |
a) What are Structural Isomers ? Draw the structure of two isomers
of butane(C4H10). b)
Write the molecular formula
of (i) Cyclohexane and
(ii) Benzene |
2022 |
|
10. |
a) What are structural isomers ? Draw the structure of
two isomers of butane C4H10 . Explain with the help of structures why we cannot
have isomers of propane. |
2022 |
|
11. |
Define Isomerism. Draw
all possible isomers
of butane. |
2020 |
|
12. |
What are structural isomers
? List any four characteristics of isomers. Draw the possible structures of butane. |
2019 |
|
13. |
What are structural isomers ? Why are isomers of first three
members of alkane series
are not possible ? Write the
all possible structures of isomers of
fourth members of this series. |
2017 |
|
14. |
a)
Define the term ‘isomer’. b) Two compounds have
same molecular formula C3H6O.
Write the name of these
compounds and their structural formula. |
2019 |
|
15. |
a)
Define the term
‘isomer’ b) Draw two possible isomer
of the compound with molecular
formula C3H6O and write their names. c)
Give the electron dot structure of the above
two compounds. |
2013 |
|
16. |
You are given balls and stick model of six carbon
atoms and fourteen hydrogen atoms and sufficient number
of sticks. In how many
ways one can join the models of six carbon atoms
and fourteen hydrogen atom to form different molecules of C6H14. |
2018 SP |
|
17. |
Draw the structural formula of all
the formula of all the possible isomers
of the compound with the molecular formula C3H6O and also give their electron dot structure. |
2018 SP |
|
18. |
What are isomers
? “Isomers of the first three members of alkane series are not possible.’’ Give reason to justify the statement and draw the structure of two isomers
of butane, C4H10. |
2017 SP |
|
19. |
What is meant by isomers ? “We can
not have isomers of the first
three members of alkane series” give reason to justify your statement. Draw the structure of two isomers
of pentane C5H12. |
2016 SP |
|
20. |
An aldehyde as well
as ketone can
be represented by the same molecular formula, say
C3H6O. Write their
structures and name
them. State the relation
between the two in the language of science. |
2015 2016 |
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