1
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Assertion : Nitrogen and Oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen.

Reason : The reaction between nitrogen and oxygen requires high temperature.
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
The assertion is incorrect, but the reason is correct
D
Both the assertion and reason are incorrect
2
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one has the highest boiling point?
A
Ne
B
Kr
C
Xe
D
He
3
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Higher order (>3) reactions are rare due to
A
increase in entropy and activation energy as more molecules are involved
B
shifting of equilibrium towards reactants due to elastic collisions
C
loss of active species on collision
D
low probability of simultaneous collision of all the reacting species
4
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The ionic radii (in Å) of N3–, O2– and F are respectively:
A
1.36, 1.71 and 1.40
B
1.71, 1.40 and 1.36
C
1.71, 1.36 and 1.40
D
1.36, 1.40 and 1.71
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