White silver surface turns black when $O_3$ is passed over it. This is due to the formation of
White silver surface turns black when $O_3$ is passed over it. This is due to the formation of
- [AIIMS 2011]
- A
silver hydroxide
- B
freshly reduced silver which is black in colour
- C
silver oxide
- D
a complex compound of silver and ozone
Similar Questions
$F{e^{2 + }}$ shows
$F{e^{2 + }}$ shows
Chloro compound of vanadium has only spin magnetic moment of $1.73\, BM$. This vanadium chloride has the formula:
Chloro compound of vanadium has only spin magnetic moment of $1.73\, BM$. This vanadium chloride has the formula:
- [AIIMS 2019]
Hydrated $C{u^{ + 2}}$ ion will be
Hydrated $C{u^{ + 2}}$ ion will be
In the series $\operatorname{Sc}(Z=21)$ to $\operatorname{Zn}(Z=30)$, the enthalpy of atomisation of zinc is the lowest, i.e.. $126\, kJ\, mol ^{-1}$. Why?
In the series $\operatorname{Sc}(Z=21)$ to $\operatorname{Zn}(Z=30)$, the enthalpy of atomisation of zinc is the lowest, i.e.. $126\, kJ\, mol ^{-1}$. Why?
Which of the following has maximum first ionisation energy ?
Which of the following has maximum first ionisation energy ?