For the galvanic cell: Al ( s )| Al 3+( aq )(0.1 M ) | Ag +( aq )(0.1 M )| Ag ( s ), which of the following is/are correct?

Question

For the galvanic cell: Al ( s )| Al 3+( aq )(0.1 M ) | Ag +( aq )(0.1 M )| Ag ( s ), which of the following is/are correct? (A) Reaction quotient Q=1.0 × 10-2 (B)  log 10 Q=3 (C) Q=1.0 × 103 (D) Q=1.0 × 102

Tardigrade Admin · Accepted Answer

Al ( s )+3 Ag +( aq ) longrightarrow Al 3+( aq )+3 Ag ( s ) Q= ([ Al 3+]/[ Ag +]3)=(0.1/0.13)=102 log 10 Q= log 10 102=2 log 10 10=2

Q. For the galvanic cell :
$A l (s) ∣ ∣ A l^{3 +} (a q) (0.1 M) ∥ A g^{+} (a q) (0.1 M) ∣ ∣ A g (s)$ ,
which of the following is/are correct?

Reaction quotient $Q = 1.0 \times 1 0^{- 2}$

$lo g_{10} Q = 3$

$Q = 1.0 \times 1 0^{3}$

$Q = 1.0 \times 1 0^{2}$

$A l (s) + 3 A g^{+} (a q) ⟶ A l^{3 +} (a q) + 3 A g (s)$
$Q = \frac{[ A l ^{3 +} ]}{[ A g ^{+} ] ^{3}} = \frac{0.1}{0. 1 ^{3}} = 1 0^{2}$
$lo g_{10} Q = lo g_{10} 1 0^{2} = 2 lo g_{10} 10 = 2$

Q. For the galvanic cell : Al(s)∣∣​Al3+(aq)(0.1M)∥Ag+(aq)(0.1M)∣∣​Ag(s), which of the following is/are correct?

Reaction quotient Q=1.0×10−2

log10​Q=3

Q=1.0×103

Q=1.0×102