1
JEE Main 2022 (Online) 27th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Given below are two statements: one is labelled as Assertion A and, the other is labelled as Reason R.

Assertion A: [6] Annulene, [8] Annulene and cis-[10] Annulene, are respectively aromatic, not-aromatic and aromatic.

JEE Main 2022 (Online) 27th July Morning Shift Chemistry - Basics of Organic Chemistry Question 69 English

Reason R: Planarity is one of the requirements of aromatic systems.

In the light of the above statements, choose the most appropriate answer from the options given below.

A
Both A and R are correct and R is the correct explanation of A.
B
Both A and R are correct but R is NOT the correct explanation of A.
C
A is correct but R is not correct.
D
A is not correct but R is correct.
2
JEE Main 2022 (Online) 26th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The correct decreasing order of priority of functional groups in naming an organic Question: compound as per IUPAC system of nomenclature is

A
$$-\mathrm{COOH}>-\mathrm{CONH}_{2}>-\mathrm{COCl}>-\mathrm{CHO}$$
B
$$\mathrm{SO}_{3} \mathrm{H}>-\mathrm{COCl}>-\mathrm{CONH}_{2}>-\mathrm{CN}$$
C
JEE Main 2022 (Online) 26th July Evening Shift Chemistry - Basics of Organic Chemistry Question 73 English Option 3
D
$$-\mathrm{COOH}>-\mathrm{COOR}>-\mathrm{CONH}_{2}>-\mathrm{COCl}$$
3
JEE Main 2022 (Online) 26th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which technique among the following, is most appropriate in separation of a mixture of $$100 \,\mathrm{mg}$$ of $$p$$-nitrophenol and picric acid ?

A
Steam distillation
B
2-5 ft long column of silica gel
C
Sublimation
D
Preparative TLC (Thin Layer Chromatography)
4
JEE Main 2022 (Online) 26th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following compounds is not aromatic?

A
JEE Main 2022 (Online) 26th July Morning Shift Chemistry - Basics of Organic Chemistry Question 74 English Option 1
B
JEE Main 2022 (Online) 26th July Morning Shift Chemistry - Basics of Organic Chemistry Question 74 English Option 2
C
JEE Main 2022 (Online) 26th July Morning Shift Chemistry - Basics of Organic Chemistry Question 74 English Option 3
D
JEE Main 2022 (Online) 26th July Morning Shift Chemistry - Basics of Organic Chemistry Question 74 English Option 4
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