1
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
In which pair of ions both the species contain S $$-$$ S bond?
A
S4O62$$-$$, S2O32$$-$$
B
S2O72$$-$$, S2O82$$-$$
C
S4O62$$-$$, S2O72$$-$$
D
S2O72$$-$$, S2O32$$-$$
2
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
It is because of inability of ns2 electrons of the valence shell to participate in bonding that
A
Sn2+ is oxidising while Pb4+ is reducing
B
Sn2+ and Pb2+ are both oxidising and reducing
C
Sn4+ is reducing while Pb4+ is oxidising
D
Sn2+ is reducing while Pb4+ is oxidising
3
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
Boric acid is an acid because its molecule
A
contains replaceable H+ ion
B
gives up a proton
C
accepts OH$$-$$ from water releasing proton
D
combines with proton from water molecule.
4
NEET 2016 Phase 2
MCQ (Single Correct Answer)
+4
-1
Change Language
AlF3 is soluble in HF only in presence of KF. It is due to the formation of
A
K3[AlF3H3]
B
K3[AlF6]
C
AlH3
D
K[AlF3H]
NEET Subjects
EXAM MAP