HARD
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Which of the following pairs of isomers are position isomers?
(a)

(b)

(c)

(d)

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques
MEDIUM
Which of the following pairs of compounds are positional isomers?

EASY
The following compounds
are

EASY
Which one of the following pairs of isomers is an example of metamerism?

EASY
Alcohols with molecular formula are isomeric with

MEDIUM
How many isomers are possible for an alkane having molecular formula

EASY
The compound which shows metamerism is:

EASY
Compound with molecular formula can show:

HARD
What are structural isomers? Name the first member of alkanes that shows structural isomers.

MEDIUM
Which one of the following is not an isomer of -methylbut- -yne?

MEDIUM
The number of isomers of is:

MEDIUM
(i) The IUPAC name of acetone is ___________
(ii) The corresponding functional isomer of acetone is ___________

EASY
The number of isomers which are ether and having the molecular formula , is:

HARD
Draw the structure of the isomers of pentane.

HARD
Compounds and in the following reaction are

HARD
Write the structural formula of the two isomers of butane.

HARD
What is isomerism? How many structural isomers can you draw for pentane?

EASY
Write the structural formula of any two position isomers of an alcohol with molecular formula .

EASY
Which of the following is NOT a pair of functional isomers?

MEDIUM
Number of constitutional isomers of alkane with formula is

EASY
The maximum number of isomeric ethers with the molecular formula is

