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 2017
MCQ (Single Correct Answer)
+4
-1
HgCl2 and I2 both when dissolved in water containing I$$-$$ ions, the pair of species formed is
A
HgI2, I$$-$$
B
HgI$$_4^{2 - }$$, I$$_3^{ - }$$
C
Hg2I2, I$$-$$
D
HgI2, I$$_3^{ - }$$
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
The reason for greater range of oxidation states in actinoids is attributed to
A
actinoid contraction
B
5$$f$$, 6d and 7s levels having comparable energies
C
4$$f$$ and 5d levels being close in energies
D
the radioactive nature of actinoids.
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements related to lanthanoids is incorrect?
A
Europium shows + 2 oxidation state.
B
The basicity decreases as the ionic radius decreases from Pr to Lu.
C
All the lanthanons are much more reactive than aluminium.
D
Ce(+4) solutions are widely used as oxidizing agent in volumetric analysis.
4
NEET 2016 Phase 1
MCQ (Single Correct Answer)
+4
-1
The electronic configuration of Eu (Atomic No. 63), Gd (Atomic No. 64) and Tb (Atomic No.65) are
A
[Xe]4f65d16s2,
[Xe]4f75d16s2 and [Xe]4f85d16s2
B
[Xe]4f7 6s2, [Xe]4f7 5d1 6s2 and [Xe]4f9 6s2
C
[Xe]4f7 6s2, [Xe]4f8 6s2 and [Xe]4f8 5d1 6s2
D
[Xe]4f6 5d1 6s2, [Xe]4f7 5d1 6s2 and [Xe]4f9 6s2
NEET Subjects