HSC Science (General) इयत्ता ११ वी - Maharashtra State Board Question Bank Solutions for Chemistry

What is oxidation?

Identify the following pair of species is in its oxidized state.

Mg/Mg²⁺

Identify the following pair of species is in its oxidized state?

Cu/Cu²⁺

Identify the following pair of species is in its oxidized state?

\[\ce{O2/O^2-}\]

Identify the following pair of species is in its oxidized state?

Cl₂/Cl⁻

Justify the following reaction as a redox reaction.

\[\ce{2Na_{(s)} + S_{(s)} -> Na2S_{(s)}}\]

Find out the oxidizing and reducing agents.

Provide the stock notation for the following compound:

HAuCl₄

Provide the stock notation for the following compound:

Tl₂O

Provide the stock notation for the following compound:

FeO

Provide the stock notation for the following compound:

Fe₂O₃

Provide the stock notation for the following compound:

CuO

Provide the stock notation for the following compound:

MnO

Assign oxidation number atom in the following species.

\[\ce{Cr(OH)^Θ_4}\]

Assign oxidation number atom in the following species.

Na₂S₂O₃

Assign oxidation number atom in the following species.

H₃BO₃

Which of the following redox couple is a stronger oxidizing agent?

Cl₂ (E⁰ = 1.36 V) and Br₂ (E⁰ = 1.09 V)

Which of the following redox couple is a stronger oxidizing agent?

\[\ce{MnO^Θ_4}\](E⁰ = 1.51 V) and \[\ce{Cr2O^{2Θ}_7}\](E⁰ = 1.33 V)

Which of the following redox couple is a stronger reducing agent?

Li (E⁰ = - 3.05 V) and Mg (E⁰ = - 2.36 V)

Which of the following redox couple is a stronger reducing agent?

Zn (E⁰ = - 0.76 V) and Fe (E⁰ = - 0.44 V)

Write condensed formulae and bond line formulae for the following structure.

\[\begin{array}{cc}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\\\phantom{...}|\phantom{....}|\phantom{....}|\phantom{....}|\phantom{...}\\\ce{H - C - C - C - C - H}\\|\phantom{....}|\phantom{....}|\phantom{....}|\\
\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\\end{array}\]