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SN1 Reaction Mechanism

How many meth...

Question

How many methyl groups are present in 2,5-Dimethyl-4-ethylnonane?

A

2

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B

3

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C

4

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D

5

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Solution

The correct option is D $5$
There are $5$ $m e t h y l$ $g r o u p s .$
Answer is option $D .$

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Q. Consider the following alkane and answer the following questions.

{({C H}_{3})}_{2} C H {C H}_{2} C H (C_{2} H_{5}) C H ({C H}_{3}) {C H}_{3}

(a) Write the complete structural formula of the alkane.
(b) What is its molecular formula?
(c) Write its bond line formula and give IUPAC name.
(d) How many methyl, methylene and methine groups are present in this alkane?
(e) How many ethyl and isopropyl groups are present in this alkane?
(f) How many carbon atoms are

1^{o}, 2^{o}, 3^{o}, 4^{o}

C H_{3} - C H_{3} | C H - O H | C H - C H_{2} - C O O H

The IUPAC name of the above compound is:

Q. Consider the alkane-

{({C H}_{3})}_{2} C H {C H}_{2} C H (C_{2} H_{5}) C H ({C H}_{3}) {C H}_{3}

(i) What is its molecular formula?
(ii) How many

1^{o}, 2^{o}, 3^{o}, 4^{o}

carbon atom are present.
(iii) State the number of methyl, methylene and methane group in the alkane.

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