1
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
What will occur if a block of copper metal is dropped into a beaker containing a solution of 1M ZnSO4?
A
The copper metal will dissolve and zinc metal will be deposited.
B
The copper metal will dissolve with evolution of hydrogen gas.
C
The copper metal will dissolve with evolution of oxygen gas.
D
No reaction will occur.
2
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The solubility of N2 in water at 300 K and 500 torr partial pressure is 0.01 g L−1. The solubility (in g L−1) at 750 torr partial pressure is :
A
0.0075
B
0.015
C
0.02
D
0.005
3
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
5 L of an alkane requires 25 L of oxygen for its complete combustion. If all volumes are measured at constant temperature and pressure, the alkane is :
A
Ethane
B
Propane
C
Butane
D
Isobutane
4
JEE Main 2016 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following species is stable in aqueous solution?
A
Cr2+
B
Cu+
C
MnO$$_4^{3 - }$$
D
MnO$$_4^{2 - }$$

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