1
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

The number of unpaired d-electrons in $$\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$$ is ________.

A
0
B
2
C
1
D
4
2
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

Correct order of stability of carbanion is :

JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Basics of Organic Chemistry Question 17 English

A
d > c > b > a
B
c > b > d > a
C
d > a > c > b
D
a > b > c > d
3
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English

Product P is

A
JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 1
B
JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 2
C
JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 3
D
JEE Main 2024 (Online) 4th April Evening Shift Chemistry - Haloalkanes and Haloarenes Question 5 English Option 4
4
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

The correct order of the first ionization enthalpy is

A
$$\mathrm{Ga}>\mathrm{Al}>\mathrm{B}$$
B
$$\mathrm{Tl}>\mathrm{Ga}>\mathrm{Al}$$
C
$$\mathrm{Al}>\mathrm{Ga}>\mathrm{Tl}$$
D
$$\mathrm{B}>\mathrm{Al}>\mathrm{Ga}$$
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