1
JEE Main 2021 (Online) 16th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Among the following, the aromatic compounds are :

JEE Main 2021 (Online) 16th March Morning Shift Chemistry - Basics of Organic Chemistry Question 61 English
Choose the correct answer from the following options :
A
(B), (C) and (D) only
B
(B) and (C) only
C
(A), (B) and (C) only
D
(A) and (B) only
2
JEE Main 2021 (Online) 26th February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following is 'a' FALSE statement ?
A
Carius method is used for the estimation of nitrogen in an organic compound.
B
Kjeldahl's method is used for the estimation of nitrogen in an organic compound.
C
Carius tube is used in the estimation of sulphur in an organic compound.
D
Phosphoric acid produced on oxidation of phosphorus present in an organic compound is precipitated as Mg2P2O7 by adding magnesia mixture.
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
The correct order of acid character of the following compounds is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Basics of Organic Chemistry Question 63 English
A
IV > III > II > I
B
III > II > I > IV
C
II > III > IV > I
D
I > II > III > IV
4
JEE Main 2021 (Online) 24th February Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the following compounds showing increasing tendency towards nucleophilic substitution reaction is :

JEE Main 2021 (Online) 24th February Evening Slot Chemistry - Basics of Organic Chemistry Question 64 English
A
(iv) < (i) < (ii) < (iii)
B
(iv) < (iii) < (ii) < (i)
C
(iv) < (i) < (iii) < (ii)
D
(i) < (ii) < (iii) < (iv)
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