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

Thermodynamic standard conditions of temperature and pressure are

A
0$$^\circ$$C and 1 atm
B
273 K and 101.3 kPa
C
298 K and 1 atm
D
0$$^\circ$$C and 101.3 kPa
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

How many chiral carbon atoms are present in 2, 3, 4-trichloropentane ?

A
3
B
2
C
1
D
4
4
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
EXAM MAP