1
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following potential energy (PE) diagrams represents the SN1 reaction?
A
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 132 English Option 1
B
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 132 English Option 2
C
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 132 English Option 3
D
JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Hydrocarbons Question 132 English Option 4
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following reaction JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 225 English Rate of the reaction is the highest for :
A
Propanal as substrate and methanol in stoichiometric amount.
B
Acetone as substrate and methanol in stoichiometric amount
C
Propanal as substrate and methanol in excess
D
Acetone as substrate and methanol in excess
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statements among I to III regarding group 13 element oxides are,
(I) Boron trioxide is acidic.
(II) Oxides of aluminium and gallium are amphoteric.
(III) Oxides of indium and thalliumare basic.
A
(II) and (III) only
B
(I), (II) and (III)
C
(I) and (III) only
D
(I) and (II) only
4
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A solution of Ni(NO3)2 is electrolysed between platinum electrodes using 0.1 Faraday electricity. How many mole of Ni will be deposited at the cathode?
A
0.10
B
0.15
C
0.20
D
0.05

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