Chemistry - Halogen Derivative Question with Solution | TestHub

ChemistryHalogen DerivativeMiscellaneous/MixedEasy2 minPYQ_2020
ChemistryEasysingle choice

Calculate the percentage of all the monochlorinated products obtained from the chlorination of 2 - methyl butane. The relative reactivity of 1 , 2 , and 3 hydrogen to chlorination is (1 : 3.8 : 5).

Options:

Answer:
B
Solution:





There are four different (A, B, C and D) monochloro products.

   Relative amount
(A)(A) is obtained from the reaction of three equivalent 1 H atoms.3 x 1 = 3.0
(B)(B) is obtained from the reaction of two equivalent 2 H atoms.2 x 3.8 = 7.6
(C)(C) is obtained from the reaction of one equivalent 3 H atoms.1 x 5 = 5.0
(D)(D) is obtained from the reaction of six equivalent 1 H atoms.
6 x 1 = 6.0


Total = 21.6



Therefore, percentages of the A, B, C and D monochloro products are as follows :

A = 3 2 1 . 6 × 1 0 0 = 1 3 . 9 1 4 %

B = 7 . 6 2 1 . 6 × 1 0 0 = 3 5 . 1 8 3 5 %

C = 5 . 0 2 1 . 6 × 1 0 0 = 2 3 . 1 5 2 3 %

D = 6 . 0 2 1 . 6 × 1 0 0 = 2 7 . 8 2 8 %

Stream:NTA_ABHYASSubject:ChemistryTopic:Halogen DerivativeSubtopic:Miscellaneous/Mixed
2mℹ️ Source: PYQ_2020

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