The equilibrium $2 C u^{+} ⇌ C u^{0} + C u^{2 +}$ in aqueous medium at $25^{0}$ C shifts towards the left in the presence of :

N O_{3}^{-}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C l^{-}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

S C N^{-}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C N^{-}

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct options are
B $C l^{-}$
C $C N^{-}$
D $S C N^{-}$
$2 C u^{+} ⇌ C u + C u^{2 +}$
+1 0 +2
$C l^{-}$ , $S C N^{-}$ and $C N^{-}$ have the tendency to lose electrons and hence, reduce $C u^{2 +}$ to $C u^{+}$ thus, shifting the reaction towards left.

Suggest Corrections

Similar questions

2 C u^{I} ⇌ C u^{0} + C u^{I I}

^{o} C

2 C u^{I} ⇌ C u^{0} + C u^{I I}

A l (O H)_{3} + O H^{-} ⇌ [A l (O H)_{4}]^{-}

F e^{3 +} (a q) + S C N ⇋ F e S C N^{2 +} (a q)

3.1

F e {C l}_{3}

3.2

{N H}_{4} S C N

3.0

F e S {C N}^{2 +}

K_{c}

{F e}^{3 +} + S {C N}^{-} ⇌ F e S {C N}^{2 +}

Join BYJU'S Learning Program