1
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Amylopectin is compound of :
A
$$\alpha $$-D-glucose, C1 – C4 and C1 – C6 linkages
B
$$\beta $$-D-glucose, C1 – C4 and C2 – C6 linkages
C
$$\beta $$-D-glucose, C1 – C4 and C1 – C6 linkages
D
$$\alpha $$-D-glucose, C1 – C4 and C2 – C6 linkages
2
JEE Main 2019 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following statements
(a) The pH of a mixture containing 400 mL of 0.1 M H2SO4 and 400 mL of 0.1 M NaOH will be approximately 1.3
(b) Ionic product of water is temperature dependent.
(c) A monobasic acid with Ka = 10–5 has pH = 5. The degree of dissociation of this acid is 50 %.
(d) The Le Chatelier's principle is not applicable to common-ion effect.

The correct statements are :
A
(a) and (b)
B
(a), (b) and (c)
C
(a), (b) and (d)
D
(b) and (c)
3
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
4
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

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