1
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider that a d6 metal ion (M2+) forms a complex with aqua ligands, and the spin only magnetic moment of the complex is 4.90 BM. The geometry and the crystal field stabilization energy of the complex is
A
tetrahedral and – 1.6 $$\Delta $$t + 1P
B
octahedral and –2.4 $$\Delta $$0 + 2P
C
tetrahedral and –0.6 $$\Delta $$t
D
octahedral and –1.6 $$\Delta $$0
2
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compunds will show retention in configuration on nucleophilic substitution by OH ion?
A
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 99 English Option 1
B
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 99 English Option 2
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 99 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Haloalkanes and Haloarenes Question 99 English Option 4
3
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The IUPAC name for the following compound is JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Basics of Organic Chemistry Question 154 English
A
2, 5-dimethyl-6-carboxy-hex-3-enal
B
6-formyl-2-methyl-hex-3-enoic acid
C
2, 5-dimethyl-5-carboxy-hex-3-enal
D
2, 5-dimethyl-6-oxo-hex-3-enoic acid
4
JEE Main 2020 (Online) 2nd September Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following is used for the preparation of colloids?
A
Van Arkel Method
B
Bredig’s Arc Method
C
Mond Process
D
Ostwald Process
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