1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The oxoacid of sulphur that does not contain bond between sulphur atoms is
A
H2S2O7
B
H2S2O3
C
H2S4O6
D
H2S2O4
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 147 English
A
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 147 English Option 1
B
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 147 English Option 2
C
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 147 English Option 3
D
JEE Main 2019 (Online) 10th April Morning Slot Chemistry - Haloalkanes and Haloarenes Question 147 English Option 4
3
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Three complexes,
[CoCl(NH3)5] 2+(I),
[Co(NH3)5H2O]3+ (II) and
[Co(NH3)6] 3+(III)
absorb light in the visible region. The correct order of the wavelength of light absorbed by them is :
A
(III) > (I) > (II)
B
(III) > (II) > (I)
C
(I) > (II) > (III)
D
(II) > (I) > (III)
4
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
At 300 K and 1 atmospheric pressure, 10 mL of a hydrocarbon required 55 mL of O2 for complete combustion, and 40 mL of CO2 is formed. The formula of the hydrocarbon is :
A
C4H7Cl
B
C4H6
C
C4H8
D
C4H10

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