1
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment?

(i) [FeF6]3$$-$$

(ii) [Co(NH3)6]3+

(iii) [NiCl4]2$$-$$

(iv) [Cu(NH3)4]2+
A
(iii) > (iv) > (ii) > (i)
B
(ii) > (iii) > (i) > (iv)
C
(i) > (iii) > (iv) > (ii)
D
(ii) > (i) > (iii) > (iv)
2
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of acid character of the following compounds is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Basics of Organic Chemistry Question 142 English
A
IV > III > II > I
B
III > II > I > IV
C
II > III > IV > I
D
I > II > III > IV
3
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :

JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Hydrocarbons Question 71 English
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Hydrocarbons Question 71 English Option 1
B
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Hydrocarbons Question 71 English Option 2
C
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Hydrocarbons Question 71 English Option 3
D
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Hydrocarbons Question 71 English Option 4
4
JEE Main 2021 (Online) 25th February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Compounds Containing Nitrogen Question 133 English
Correct statement about the given chemical reaction is :
A
JEE Main 2021 (Online) 25th February Evening Shift Chemistry - Compounds Containing Nitrogen Question 133 English Option 1
B
Reaction is possible and compound (B) will be the major product.
C
Reaction is possible and compound (A) will be major product.
D
The reaction will form sulphonated product instead of nitration.
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