1
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
2
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
3
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds is not colored yellow?
A
K3[Co(NO2)6]
B
(NH4)3[As(Mo3O10)4]
C
BaCrO4
D
Zn2[Fe(CN)6]
4
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The colour of KMnO4 is due to :
A
d – d transition
B
L $$\to$$ M charge transfer transition
C
$$\sigma$$ – $$\sigma$$* transition
D
M $$\to$$ L charge transfer transition
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