1
JEE Main 2020 (Online) 6th September Evening Slot
Numerical
+4
-0
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A solution of phenol in chloroform when treated with aqueous NaOH gives compound P as a major product. The mass percentage of carbon in P is ______. (to the nearest integer)
(Atomic mass : C = 12; H = 1; O = 16)
Your input ____
2
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For a d4 metal ion in an octahedral field, the correct electronic configuration is :
A
$$t_{2g}^4e_g^0$$ when $$\Delta $$0 < P
B
$$t_{2g}^3e_g^1$$ when $$\Delta $$0 > P
C
$$e_g^2t_{2g}^2$$ when $$\Delta $$0 < P
D
$$t_{2g}^3e_g^1$$ when $$\Delta $$0 < P
3
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 108 English
A
A < C < B
B
C < A < B
C
B < C < A
D
A < B < C
4
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)
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