Organic Chemistry
Some Basic Concepts of Organic Chemistry
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
MCQ (Single Correct Answer)MCQ (Multiple Correct Answer)
Organic Compounds Containing Nitrogen
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
1
NEET 2013
MCQ (Single Correct Answer)
+4
-1
Which of the following lanthanoid ions is diamagnetic?
(At. nos. Ce = 58, Sm = 62, Eu = 63, Yb = 70)
A
Eu2+
B
Yb2+
C
Ce2+
D
Sm2+
2
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
The catalytic activity of transition metals and their compounds is ascribed mainly to
A
their magnetic behaviour
B
their unfilled $$d$$-orbitals
C
their ability to adopt variable oxidation states
D
their chemical reactivity
3
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential $$\left( {E_{{M^{2 + }}/M}^o} \right)$$ value has a positive sign?
A
Co (Z = 27)
B
Ni (Z = 28)
C
Cu (Z = 29)
D
Fe (Z = 26)
4
AIPMT 2012 Mains
MCQ (Single Correct Answer)
+4
-1
Which of the following exhibits only + 3 oxidation state?
A
U
B
Th
C
Ac
D
Pa
NEET Subjects