1
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following does not correctly represent the correct order of the property indicated against it?
A
Ti < V < Cr < Mn; increasing number of oxidation states
B
Ti3+ < V3+ < Cr3+ < Mn3+ : increasing magnetic moment
C
Ti < V < Cr < Mn : increasing melting points
D
Ti < V < Mn < Cr : increasing 2nd ionization enthalpy
2
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the alloy containing a non-metal as a constituent in it.
A
Invar
B
Steel
C
Bell metal
D
Bronze
3
AIPMT 2012 Prelims
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the statements is not true?
A
On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed.
B
Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis.
C
K2Cr2O7 solution in acidic medium is orange.
D
K2Cr2O7 solution becomes yellow increasing the pH beyond 7.
4
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
Acidified K2Cr2O7 solution turns green when Na2SO3 is added to it. This is due to the formation of
A
Cr2(SO4)3
B
CrO$$_4^{2 - }$$
C
Cr2(SO3)3
D
CrSO4
NEET Subjects
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