1
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
2
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

$$2S{O_2}(g) + {O_2}(g)\buildrel {{V_2}{O_5}} \over \rightleftharpoons $$ is an example for

A
irreversible reaction
B
heterogeneous catalysis
C
homogeneous catalysis
D
neutralisation reaction
3
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

The amino acid which is not optically active is

A
glycine
B
alanine
C
serine
D
lactic acid
4
COMEDK 2020
MCQ (Single Correct Answer)
+1
-0

For a stable molecule the value of bond order must be

A
negative
B
positive
C
zero
D
there is no relationship between stability and bond order
EXAM MAP