Oxidation States and Chemical Reactivity NEET Questions

Oxidation States and Chemical Reactivity MCQ Questions

1.
Element with fixed oxidation state?
A.
Na
B.
Mn
C.
Fe
D.
Cl
ANSWER :
A. Na
2.
Oxidation state of C in CHβ‚„?
A.
–4
B.
–2
C.
0
D.
4
ANSWER :
A. –4
3.
What is the oxidation state of Mn in KMnOβ‚„?

NEET - 2020

A.
2
B.
4
C.
6
D.
7
ANSWER :
D. 7
4.
Compound where sulfur has highest oxidation state?

NEET - 2022

A.
SOβ‚‚
B.
SO₃
C.
Hβ‚‚SOβ‚„
D.
Naβ‚‚SO₃
ANSWER :
C. Hβ‚‚SOβ‚„
5.
Most chemically reactive element?
A.
F
B.
Cl
C.
Br
D.
I
ANSWER :
A. F
6.
Oxidation number of Fe in Fe(CN)₆³⁻?
A.
2
B.
3
C.
4
D.
0
ANSWER :
B. 3