1
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

IUPAC name of Na$$_3$$[Co(NO$$_2$$)$$_6$$] is

A
sodium cobaltonitrite
B
sodium hexanitrito cobaltate (III)
C
sodium hexanitro cobaltate (III)
D
sodium hexanitrito cobaltate (II)
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The number of unidentate ligands in the complex ion is called

A
EAN
B
coordination number
C
primary valency
D
oxidation number
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The oxidation state of iron in K$$_4$$[Fe(CN)$$_6$$] is,

A
2
B
3
C
4
D
1
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

Which complex cannot ionise in solution?

A
[Pt(NH$$_3$$)$$_6$$]Cl$$_4$$
B
K$$_2$$[Pt(F$$_6$$)]
C
K$$_4$$[Fe(CN)$$_6$$]
D
[CoCl$$_3$$(NH$$_3$$)$$_3$$]
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