Consider the following reduction processes: Al³⁺+3e^- Al(s), E°=-1.66 V; Fe³⁺+e^- Fe²⁺, E°=+0.77 V; Co³⁺+e^- Co²⁺, E°=+1.81 V; Cr³⁺+3e^- Cr(s), E°=-0.74 V. The tendency to act as reducing agent decreases in the order:

Redox Reactions and Electrochemistry: JEE Main 2026 Chemistry question

JEE Main 2026 · 22 Jan, Evening shift · Q67

JEE Main 202622 Jan, Evening shiftChemistryMediumRedox Reactions and Electrochemistry138× since 2002

Consider the following reduction processes :

\mathrm{Al^{3+}+3e^-\longrightarrow Al(s)}

E^\circ=-1.66

\mathrm{Fe^{3+}+e^-\longrightarrow Fe^{2+}}

E^\circ=+0.77

\mathrm{Co^{3+}+e^-\longrightarrow Co^{2+}}

E^\circ=+1.81

\mathrm{Cr^{3+}+3e^-\longrightarrow Cr(s)}

E^\circ=-0.74

V. The tendency to act as reducing agent decreases in the order :

JEE Main 2026 · 22 Jan, Evening shift · Q67

JEE Main 202622 Jan, Evening shiftChemistryMediumRedox Reactions and Electrochemistry138× since 2002

Consider the following reduction processes :

\mathrm{Al^{3+}+3e^-\longrightarrow Al(s)}

E^\circ=-1.66

\mathrm{Fe^{3+}+e^-\longrightarrow Fe^{2+}}

E^\circ=+0.77

\mathrm{Co^{3+}+e^-\longrightarrow Co^{2+}}

E^\circ=+1.81

\mathrm{Cr^{3+}+3e^-\longrightarrow Cr(s)}

E^\circ=-0.74

V. The tendency to act as reducing agent decreases in the order :