1
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Identify the reaction which does not liberate hydrogen :
A
Reaction of zinc with aqueous alkali.
B
Electrolysis of acidified water using Pt electrodes.
C
Allowing a solution of sodium in liquid ammonia to stand.
D
Reaction of lithium hydride with B2H6.
2
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The commercial name for calcium oxide is :
A
Milk of lime
B
Slaked lime
C
Limestone
D
Quick lime
3
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Assertion :     Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity.

Reason :     Hybridization of carbon in diamond and graphite are sp3 and sp2, respectively.
A
Both assertion and reason are correct, and the reason is the correct explanation for the assertion.
B
Both assertion and reason are correct, but the reason is not the correct explanation for the assertion
C
Assertion is incorrect statement, but the reason is correct.
D
Both assertion and reason are incorrect.
4
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the correct statement :
A
Iron corrodes in oxygen-free water.
B
Iron corrodes more rapidly in salt water because its electrochemical potential is higher.
C
Corrosion of iron can be minimized by forming a contact with another metal with a higher reduction potential.
D
Corrosion of iron can be minimized by forming an impermeable barrier at its surface.
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