1
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
2
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of geometric isomers that can exist for square planar [Pt (Cl) (py) (NH3) (NH2OH)]+ is (py = pyridine) :
A
3
B
4
C
6
D
2
3
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following sequence of reactions:

JEE Main 2015 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 266 English
The product C is
A
C6H5CH3
B
C6H5CH2OH
C
C6H5CHO
D
C6H5COOH
4
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

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