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JEE Main 202127 JulyEvening Shift
Exam
JEE Main
Year
2021
Date
27 July
Shift
Evening Shift
Subject
Chemistry
Chapter
Environmental Chemistry

JEE Main 2021 · 27 July · Evening Shift · Chemistry · Environmental Chemistry

Match List - I with List - II : List - I (compound) List - II...

Match List - I with List - II :

List - I (compound) List - II
(effect/affected species)
a Carbon monoxide i Carcinogenic
b Sulphur dioxide ii Metabolized by pyrus plants
c Polychlorinated biphenyls iii Haemoglobin
d Oxides of Nitrogen iv Stiffness of flower buds

Choose the correct answer from the options given below:

Options

  1. A(a)−(iii),(b)−(iv),(c)−(i),(d)−(ii)( a ) - ( iii ), ( b ) - ( iv ), ( c ) - ( i ), ( d ) - ( ii )
  2. B(a)−(iv),(b)−(i),(c)−(iii),(d)−(ii)( a ) - ( iv ) , ( b ) - ( i ) , ( c ) - ( iii ) , ( d ) - ( ii )
  3. C(a)−(i),(b)−(ii),(c)−(iii),(d)−(iv)( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iii ) , ( d ) - ( iv )
  4. D(a)−(iii),(b)−(iv),(c)−(ii),(d)−(i)( a ) - ( iii ) , ( b ) - ( iv ) , ( c ) - ( ii ) , ( d ) - ( i )

Correct answer

A. (a)−(iii),(b)−(iv),(c)−(i),(d)−(ii)( a ) - ( iii ), ( b ) - ( iv ), ( c ) - ( i ), ( d ) - ( ii )

Step-by-step solution

Carbon monoxide combines with haemoglobin to form carboxyhaemoglobin. High concentration of SO2{SO}_{2}leads to stiffness of flower buds. Polychlorinated biphenyls, are highly toxic industrial compounds. Pyrus and Vitis can metabolise nitrogen oxide.
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