1
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following :

Test/Method Reagent
(i) Lucas Test (a) C6H5SO2Cl/ aq. KOH
(ii) Dumas method (b) HNO3/ AgNO3
(iii) Kjeldahl’s method (c) CuO/CO2
(iv) Hinsberg test (d) Conc. HCl and ZnCl2
(e) H2SO4
A
(i)-(b), (ii)-(d), (iii)-(e), (iv)-(a)
B
(i)-(d), (ii)-(c), (iii)-(e), (iv)-(a)
C
(i)-(b), (ii)-(a), (iii)-(c), (iv)-(d)
D
(i)-(d), (ii)-(c), (iii)-(b), (iv)-(e)
2
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the boiling points of the major products A, B and C of the following reactions will be : JEE Main 2020 (Online) 6th September Evening Slot Chemistry - Haloalkanes and Haloarenes Question 125 English
A
A < C < B
B
C < A < B
C
B < C < A
D
A < B < C
3
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds can be prepared in good yield by Gabriel phthalimide synthesis?
A
JEE Main 2020 (Online) 6th September Evening Slot Chemistry - Compounds Containing Nitrogen Question 188 English Option 1
B
JEE Main 2020 (Online) 6th September Evening Slot Chemistry - Compounds Containing Nitrogen Question 188 English Option 2
C
JEE Main 2020 (Online) 6th September Evening Slot Chemistry - Compounds Containing Nitrogen Question 188 English Option 3
D
CH3—CH2—NHCH3
4
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The area (in sq. units) of the region enclosed
by the curves y = x2 – 1 and y = 1 – x2 is equal to :
A
$${8 \over 3}$$
B
$${4 \over 3}$$
C
$${7 \over 2}$$
D
$${{16} \over 3}$$

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