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

Major product '$$\mathrm{B}$$' of the following reaction sequence is :

JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 20 English

A
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 20 English Option 1
B
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 20 English Option 2
C
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 20 English Option 3
D
JEE Main 2022 (Online) 27th July Evening Shift Chemistry - Hydrocarbons Question 20 English Option 4
2
JEE Main 2022 (Online) 26th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \stackrel{\bullet}{\mathrm{Cl}}+\mathrm{CH}_{4} \rightarrow \mathrm{A}+\mathrm{B} $$

A and B in the above atmospheric reaction step are :

A
$$\mathrm{C}_{2} \mathrm{H}_{6}$$ and $$\mathrm{Cl}_{2}$$
B
$$\stackrel{\bullet}{\mathrm{C}} \mathrm{HCl}_{2}$$ and $$\mathrm{H}_{2}$$
C
$$\stackrel{\bullet}{\mathrm{C}}\mathrm{H}_{3}$$ and $$\mathrm{HCl}$$
D
$$\mathrm{C}_{2} \mathrm{H}_{6}$$ and $$\mathrm{HCl}$$
3
JEE Main 2022 (Online) 25th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

A compound ‘$$\mathrm{A}$$’ on reaction with ‘$$\mathrm{X}$$’ and ‘$$\mathrm{Y}$$’ produces the same major product but different by product '$$a$$' and '$$b^{\prime}$$. Oxidation of '$$a$$' gives a substance produced by ants.

JEE Main 2022 (Online) 25th July Morning Shift Chemistry - Hydrocarbons Question 24 English

'X' and 'Y' respectively are

A
$$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$ and dil. $$\mathrm{KMnO}_{4^{\prime}} \,273 \mathrm{~K}$$
B
$$\mathrm{KMnO}_{4}$$ (dilute), $$273 \mathrm{~K}$$ and $$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$
C
$$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$ and $$\mathrm{O}_{3}, \mathrm{H}_{2} \mathrm{O} / \mathrm{Zn}$$
D
$$\mathrm{O}_{3}, \mathrm{H}_{2} \mathrm{O} / \mathrm{Zn}$$ and $$\mathrm{KMnO}_{4} / \mathrm{H}^{+}$$
4
JEE Main 2022 (Online) 29th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

In Friedel-Crafts alkylation of aniline, one gets

A
alkylated product with ortho and para substitution.
B
secondary amine after acidic treatment.
C
an amide product.
D
positively charged nitrogen at benzene ring.
JEE Main Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEE
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Medical
NEET