1
IIT-JEE 2008 Paper 2 Offline
MCQ (Single Correct Answer)
+3
-1

Statement 1 : The geometrical isomers of the complex [M(NH$$_3$$)$$_4$$Cl$$_2$$] are optically inactive.

Statement 2 : Both geometrical isomers of the complex [M(NH$$_3$$)$$_4$$Cl$$_2$$] possess axis of symmetry.

A
Statement 1 is True, Statement 2 is True; Statement 2 is a CORRECT explanation for Statement 1.
B
Statement 1 is True, Statement 2 is True; Statement 2 is a NOT CORRECT explanation for Statement 1.
C
Statement 1 is True, Statement 2 is False.
D
Statement 1 is False, Statement 2 is True.
2
IIT-JEE 2004 Screening
MCQ (Single Correct Answer)
+2
-0.5
The pair of compounds having metals in their highest oxidation state is
A
MnO2, FeCl3
B
[MnO4]-, CrO2Cl
C
[Fe(CN)6]3-, [Co(CN)3]
D
[NiCl4]2- , [CoCl4]-
3
IIT-JEE 2000 Screening
MCQ (Single Correct Answer)
+2
-0.5
Amongst the following identify the species with an atom in +6 oxidation state
A
$$MnO_4^ - $$
B
$$Cr(CN)_6^{3 - }$$
C
$$NiF_6^{2 - }$$
D
$$Cr{O_2}C{l_2}$$
4
IIT-JEE 1987
MCQ (Single Correct Answer)
+1
-0.25
The brown ring complex compound is formulated as [Fe(H2O)5(NO)+]SO4. The oxidation state of iron is
A
1
B
2
C
3
D
0
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