1
JEE Main 2023 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Compound that will give positive Lassaigne's test for both nitrogen and halogen is :

A
$$\mathrm{NH_2OH.HCl}$$
B
$$\mathrm{N_2H_4.HCl}$$
C
$$\mathrm{CH_3NH_2.HCl}$$
D
$$\mathrm{NH_4Cl}$$
2
JEE Main 2023 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Identify the correct order for the given property for following compounds.

JEE Main 2023 (Online) 29th January Morning Shift Chemistry - Haloalkanes and Haloarenes Question 40 English

Choose the correct answer from the option given below :

A
(A), (B) and (E) only
B
(A), (C) and (D) only
C
(A), (C) and (E) only
D
(B), (C) and (D) only
3
JEE Main 2023 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

The bond dissociation energy is highest for

A
Cl$$_2$$
B
I$$_2$$
C
Br$$_2$$
D
F$$_2$$
4
JEE Main 2023 (Online) 29th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Number of cyclic tripeptides formed with 2 amino acids A and B is :

A
2
B
3
C
5
D
4
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