1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
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
Change Language
Name the gas that can readily decolourise acidified KMnO4 solution.
A
SO2
B
NO2
C
P2O5
D
CO2
3
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
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.
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
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.
NEET Subjects
EXAM MAP