1
JEE Advanced 2021 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
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The major product formed in the following reaction of

JEE Advanced 2021 Paper 1 Online Chemistry - Hydrocarbons Question 20 English
A
JEE Advanced 2021 Paper 1 Online Chemistry - Hydrocarbons Question 20 English Option 1
B
JEE Advanced 2021 Paper 1 Online Chemistry - Hydrocarbons Question 20 English Option 2
C
JEE Advanced 2021 Paper 1 Online Chemistry - Hydrocarbons Question 20 English Option 3
D
JEE Advanced 2021 Paper 1 Online Chemistry - Hydrocarbons Question 20 English Option 4
2
JEE Advanced 2021 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
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Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is
A
JEE Advanced 2021 Paper 1 Online Chemistry - Basics of Organic Chemistry Question 26 English Option 1
B
JEE Advanced 2021 Paper 1 Online Chemistry - Basics of Organic Chemistry Question 26 English Option 2
C
JEE Advanced 2021 Paper 1 Online Chemistry - Basics of Organic Chemistry Question 26 English Option 3
D
JEE Advanced 2021 Paper 1 Online Chemistry - Basics of Organic Chemistry Question 26 English Option 4
3
JEE Advanced 2021 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Change Language
For the given close packed structure of a salt made of cation X and anion Y shown below (ions of only one face are shown for clarity), the packing fraction is approximately (packing fraction = $${{packing\,efficiency} \over {100}}$$)

JEE Advanced 2021 Paper 1 Online Chemistry - Solid State Question 13 English
A
0.74
B
0.63
C
0.52
D
0.48
4
JEE Advanced 2021 Paper 1 Online
MCQ (Single Correct Answer)
+3
-1
Change Language
The calculated spin only magnetic moments of [ Cr(NH3)6]3+ and [CuF6]3$$-$$ in BM, respectively, are

(Atomic numbers of Cr and Cu are 24 and 29, respectively)
A
3.87 and 2.84
B
4.90 and 1.73
C
3.87 and 1.73
D
4.90 and 2.84
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