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
AIPMT 2011 Prelims
MCQ (Single Correct Answer)
+4
-1
The d-electron configurations of Cr2+, Mn2+, Fe2+ and Co2+ are d4, d5, d6 and d7 respectively. Which one of the following will exhibit minimum paramagnetic behaviour?
(At. Nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)
A
[Mn(H2O)6]2+
B
[Fe(H2O)6]2+
C
[Co(H2O)6]2+
D
[Cr(H2O)6]2+
2
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which of the following complex ions is not expected to absorb visible light?
A
[Ni(CN)4]2$$-$$
B
[Cr(NH3)6]3+
C
[Fe(H2O)6]2+
D
[Ni(H2O)6]2+
3
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Which one of the following complexes is not expected to exhibit isomerism?
A
[Ni(NH3)4(H2O)2]2+
B
[Pt(NH3)2Cl2]
C
[Ni(NH3)2Cl2]
D
[Ni(en)3]2+
4
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
Crystal field stabilization energy for high spin d4 octahedral complex is
A
$$-$$ 1.8 $$\Delta $$0
B
$$-$$ 1.6 $$\Delta $$0 + P
C
$$-$$ 1.2 $$\Delta $$0
D
$$-$$ 0.6 $$\Delta $$0
NEET Subjects