1
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 $$\mathrm{HCl}$$
2
JEE Main 2022 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Major product of the following reaction is

JEE Main 2022 (Online) 25th July Evening Shift Chemistry - Hydrocarbons Question 44 English

A
JEE Main 2022 (Online) 25th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 1
B
JEE Main 2022 (Online) 25th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 2
C
JEE Main 2022 (Online) 25th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 3
D
JEE Main 2022 (Online) 25th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 4
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 45 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 Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Two isomers 'A' and 'B' with molecular formula C4H8 give different products on oxidation with KMnO4 in acidic medium. Isomer 'A' on reaction with KMnO4/H+ results in effervescence of a gas and gives ketone. The compound 'A' is

A
But-1-ene.
B
cis-But-2-ene.
C
trans-But-2-ene.
D
2-methyl propene.
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