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

In 3d series, the metal having the highest M2+/M standard electrode potential is :

A
Cr
B
Fe
C
Cu
D
Zn
2
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The 'f' orbitals are half and completely filled, respectively in lanthanide ions :

[Given : Atomic no. Eu, 63; Sm, 62; Tm, 69; Tb, 65; Yb, 70; Dy, 66]

A
Eu2+ and Tm2+
B
Sm2+ and Tm3+
C
Tb4+ and Yb2+
D
Dy3+ and Yb3+
3
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Arrange the following coordination compounds in the increasing order of magnetic moments. (Atomic numbers : Mn = 25; Fe = 26)

A. [FeF6]3$$-$$

B. [Fe(CN)6]3$$-$$

C. [MnCl6]3$$-$$ (high spin)

D. [Mn(CN)6]3$$-$$

Choose the correct answer from the options given below :

A
A < B < D < C
B
B < D < C < A
C
A < C < D < B
D
B < D < A < C
4
JEE Main 2022 (Online) 27th June Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language

Which of the following is most stable?

A
JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Basics of Organic Chemistry Question 107 English Option 1
B
JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Basics of Organic Chemistry Question 107 English Option 2
C
JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Basics of Organic Chemistry Question 107 English Option 3
D
JEE Main 2022 (Online) 27th June Evening Shift Chemistry - Basics of Organic Chemistry Question 107 English Option 4
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