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Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields - CBSE (Science) Class 12 - Chemistry

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Question

Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields

(i) A single monochloride.

(ii) Three isomeric monochlorides.

(iii) Four isomeric monochlorides.

Solution

1) To have a single monochloride, there should be only one type of H-atom in the isomer of the alkane of the molecular formula C5H12. This is because, replacement of any H-atom leads to the formation of the same product. The isomer is neopentane.

Neopentane

2) 

To have three isomeric monochlorides, the isomer of the alkane of the molecular formula C5H12should contain three different types of H-atoms.

Therefore, the isomer is n-pentane. It can be observed that there are three types of H atoms labelled as ab and c in n-pentane.

3)  To have four isomeric monochlorides, the isomer of the alkane of the molecular formula C5H12should contain four different types of H-atoms. Therefore, the isomer is 2-methylbutane. It can be observed that there are four types of H-atoms labelled as abc, and d in 2-methylbutane.

  Is there an error in this question or solution?

APPEARS IN

 NCERT Solution for Chemistry Textbook for Class 12 (2018 to Current)
Chapter 10: Haloalkanes and Haloarenes
Q: 4 | Page no. 289
Solution Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields Concept: Physical Properties of Haloalkanes and Haloarenes.
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