1
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of pka of the following amino acids in aqueous solution is :

Gly, Asp, Lys, Arg
A
Asp < Gly < Arg < Lys
B
Gly < Asp < Arg < Lys
C
Asp < Gly < Lys < Arg
D
Arg < Lys < Gly < Asp
2
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The compounds A and B in the following reaction are, respectively :

JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 120 English
A
A = Benzyl alcohol, B = Benzyl cyanide
B
A = Benzyl chloride, B = Benzyl cyanide
C
A = Benzyl alcohol, B = Benzyl isocyanide
D
A = Benzyl chloride, B = Benzyl isocyanide
3
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is :

JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 119 English
A
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 119 English Option 1
B
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 119 English Option 2
C
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 119 English Option 3
D
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Haloalkanes and Haloarenes Question 119 English Option 4
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct decreasing order for acid strength is :
A
NO2CH2COOH > FCH2COOH > CNCH2COOH > ClCH2COOH
B
FCH2COOH > NCCH2COOH > NO2CH2COOH > ClCH2COOH
C
CNCH2COOH > O2NCH2COOH > FCH2COOH > ClCH2COOH
D
NO2CH2COOH > NCCH2COOH > FCH2COOH > ClCH2COOH
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