1
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following elements is unable to form MF63– ion?
A
Ga
B
Al
C
B
D
In
2
NEET 2018
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following statements is not true for halogens?
A
All are oxidizing agents.
B
All form monobasic oxyacids.
C
All but fluorine show positive oxidation states.
D
Chlorine has the highest electron-gain enthalpy.
3
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
4
NEET 2017
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the interhalogen compounds of column-I with the geometry in column-II and assign the correct code.

Column $${\rm I}$$ Column $${\rm I}$$$${\rm I}$$
(A) XX' (i) T-shape
(B) XX'3 (ii) Pentagonal bipyramidal
(C) XX'5 (iii) Linear
(D) XX'7 (iv) Square pyramidal
(v) Tetrahedral
A
(A) $$ \to $$ (iii);  (B) $$ \to $$ (i);  (C) $$ \to $$ (iv);  (D) $$ \to $$ (ii)
B
(A) $$ \to $$ (v);  (B) $$ \to $$ (iv);  (C) $$ \to $$ (iii);  (D) $$ \to $$ (ii)
C
(A) $$ \to $$ (iv);  (B) $$ \to $$ (iii);  (C) $$ \to $$ (ii);  (D) $$ \to $$ (i)
D
(A) $$ \to $$ (iii);  (B) $$ \to $$ (iv);  (C) $$ \to $$ (i);  (D) $$ \to $$ (ii)
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