1
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 108 English
Considering the above reaction, X and Y respectively are :
A
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 108 English Option 1
B
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 108 English Option 2
C
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 108 English Option 3
D
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Compounds Containing Nitrogen Question 108 English Option 4
2
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The ionic radius of Na+ ions is 1.02 $$\mathop A\limits^o $$. The ionic radii (in $$\mathop A\limits^o $$) of Mg2+ and Al3+, respectively, are
A
1.05 and 0.99
B
0.72 and 0.54
C
0.85 and 0.99
D
0.68 and 0.72
3
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Reaction of Grignard reagent, C2H5MgBr with C8H8O followed by hydrolysis gives compound "A" which reacts instantly with Lucas reagent to give compound B, C10H13Cl. The Compound B is :
A
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Haloalkanes and Haloarenes Question 65 English Option 1
B
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Haloalkanes and Haloarenes Question 65 English Option 2
C
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Haloalkanes and Haloarenes Question 65 English Option 3
D
JEE Main 2021 (Online) 18th March Morning Shift Chemistry - Haloalkanes and Haloarenes Question 65 English Option 4
4
JEE Main 2021 (Online) 18th March Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Reagent, 1-napthylamine and sulphanilic acid in acetic acid is used for the detection of
A
N2O
B
NO$$_3^ - $$
C
NO
D
NO$$_2^ - $$
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