1
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
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JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 103 English
In the above reaction, the reagent ''A'' is :
A
LiAlH4
B
NaBH4, H3O+
C
HCl, Zn $$-$$ Hg
D
Alkaline KMnO4, H+
2
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
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The INCORRECT statements below regarding colloidal solutions is :
A
The flocculating power of Al3+ is more than that of Na+.
B
A colloidal solutions shows Brownian motion of colloidal particles.
C
An ordinary filter paper can stop the flow of colloidal particles.
D
A colloidal solutions shows colligative properties.
3
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
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Arrange the following metal complex/compounds in the increasing order of spin only magnetic moment. Presume all the three, high spin system.

(Atomic numbers Ce = 58, Gd = 64 and Eu = 63)

(a) (NH4)2[Ce(NO3)6]

(b) Gd(NO3)3 and

(c) Eu(NO3)3
A
(a) < (b) < (c)
B
(b) < (a) < (c)
C
(a) < (c) < (b)
D
(c) < (a) < (b)
4
JEE Main 2021 (Online) 16th March Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 16th March Evening Shift Chemistry - Haloalkanes and Haloarenes Question 70 English
Identify the reagent(s) 'A' and condition(s) for the reaction
A
A = HCl, ZnCl2
B
A = HCl; Anhydrous AlCl3
C
A = Cl2; UV light
D
A = Cl2; dark, Anhydrous AlCl3
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