1
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
2
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the given plot of enthalpy of the following reaction between A and B.
A+ B $$ \to $$ C + D
Identify the incorrect statement. JEE Main 2019 (Online) 9th April Evening Slot Chemistry - Chemical Kinetics and Nuclear Chemistry Question 113 English
A
Formation of A and B from C has highest enthalpy of activation.
B
D is kinetically stable product.
C
C is the thermodynamically stable product
D
Activation enthalpy to form C is 5kJ mol–1 less than that to form D.
3
JEE Main 2019 (Online) 9th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
At a given temperature T, gases Ne, Ar, Xe and Kr are found to deviate from ideal gas behaviour. Their equation of state is given as

$$p = {{RT} \over {V - b}}$$ at T.

Here, b is the van der Waals constant. Which gas will exhibit steepest increase in the plot of Z (compression factor) vs p?
A
Xe
B
Ne
C
Ar
D
Kr
4
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 166 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
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