The E value for Al + / Al = + 0 . 55 V and Tl + / Tl = - 0 . 34 V Al 3 + / Al = - 1 . 66 V and Tl 3 + / Tl = + 1 . 26 V Identify the incorrect statement. [2023]

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Q.
The $E °$ value for

${Al}^{+} / Al = + 0.55$ $V and {Tl}^{+} / Tl = - 0.34$ $V$

${Al}^{3 +} / Al = - 1.66$ $V and {Tl}^{3 +} / Tl = + 1.26$ $V$

Identify the incorrect statement. [2023]

Solution

Q.
The $E °$ value for

${Al}^{+} / Al = + 0.55$ $V and {Tl}^{+} / Tl = - 0.34$ $V$

${Al}^{3 +} / Al = - 1.66$ $V and {Tl}^{3 +} / Tl = + 1.26$ $V$

Identify the incorrect statement. [2023]

1 Al is more electropositive than Tl.

2 ${Tl}^{3 +}$ is a good reducing agent than ${Tl}^{+}$ .

3 ${Al}^{+}$ is unstable in solution.

4 Tl can be easily oxidised to ${Tl}^{+}$ than ${Tl}^{3 +}$ .

Ans.
(2)

${Tl}^{3 +}$ acts as an oxidising agent and not reducing agent.

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Solution

Q. The E° value for Al+/Al=+0.55 V and Tl+/Tl=-0.34 V Al3+/Al=-1.66 V and Tl3+/Tl=+1.26 V Identify the incorrect statement. [2023]

1 Al is more electropositive than Tl.

2 Tl3+ is a good reducing agent than Tl+.

3 Al+ is unstable in solution.

4 Tl can be easily oxidised to Tl+ than Tl3+.

Ans. (2) Tl3+ acts as an oxidising agent and not reducing agent.

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Q.
The $E °$ value for

${Al}^{+} / Al = + 0.55$ $V and {Tl}^{+} / Tl = - 0.34$ $V$

${Al}^{3 +} / Al = - 1.66$ $V and {Tl}^{3 +} / Tl = + 1.26$ $V$

Identify the incorrect statement. [2023]

2 ${Tl}^{3 +}$ is a good reducing agent than ${Tl}^{+}$ .

3 ${Al}^{+}$ is unstable in solution.

4 Tl can be easily oxidised to ${Tl}^{+}$ than ${Tl}^{3 +}$ .

Ans.
(2)

${Tl}^{3 +}$ acts as an oxidising agent and not reducing agent.