1
JEE Main 2023 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Element not present in Nessler's reagent is :

A
I
B
$$\mathrm{N}$$
C
$$\mathrm{K}$$
D
$$\mathrm{Hg}$$
2
JEE Main 2023 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the following reaction that goes from A to B in three steps as shown below:

JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 11 English

Choose the correct option

A
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 11 English Option 1
B
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 11 English Option 2
C
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 11 English Option 3
D
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Chemical Kinetics and Nuclear Chemistry Question 11 English Option 4
3
JEE Main 2023 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Find out the major product from the following reaction.

JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Hydrocarbons Question 12 English

A
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Hydrocarbons Question 12 English Option 1
B
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Hydrocarbons Question 12 English Option 2
C
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Hydrocarbons Question 12 English Option 3
D
JEE Main 2023 (Online) 6th April Evening Shift Chemistry - Hydrocarbons Question 12 English Option 4
4
JEE Main 2023 (Online) 6th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

If the radius of the first orbit of hydrogen atom is $$\alpha_{0}$$, then de Broglie's wavelength of electron in $$3^{\text {rd }}$$ orbit is :

A
$$\frac{\pi \alpha^{3}}{6}$$
B
$$3\pi\alpha_0$$
C
$$6\pi\alpha_0$$
D
$$\frac{\pi \alpha^{3}}{3}$$
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