1
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
PbCl2 is insoluble in cold water. Addition of HCl increases its solubility due to
A
formation of soluble complex anions like [PbCl3]$$-$$
B
oxidation of Pb(II) to Pb(IV)
C
formation of [Pb(H2O)6]2+
D
formation of polymeric lead complexes
2
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
Of the following compounds, which one of the strongest Bronsted acid in a aqueous solution?
A
HClO3
B
HClO2
C
HOCl
D
HOBr
3
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
The correct basicity order of the following lanthanide ions is
A
La3+ > Lu3+ > Ce3+ > Eu3+
B
Ce3+ > Lu3+ > La3+ > Eu3+
C
Lu3+ > Ce3+ > Eu3+ > La3+
D
La3+ > Ce3+ > Eu3+ > Lu3+
4
WB JEE 2017
MCQ (Single Correct Answer)
+1
-0.25
Change Language
When BaCl2 is added to an aqueous salt solution, a white precipitate is obtained. The anion among CO$$_3^{2 - }$$, SO$$_3^{2 - }$$ and SO$$_4^{2 - }$$ that was present in the solution can be
A
CO$$_3^{2 - }$$ but not any of the other two
B
SO$$_3^{2 - }$$ but not any of the other two
C
SO$$_4^{2 - }$$ but not any of the other two
D
Any of them
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