German silver is an alloy of
German silver is an alloy of
- [AIPMT 2000]
- A
Copper, zinc and nickel
- B
Copper and silver
- C
Copper, zinc and tin
- D
Copper, zinc and silver
Similar Questions
Amongest following the lowest degree of paramagnetism per mole of the compound at $298 K$ will be shown by
Amongest following the lowest degree of paramagnetism per mole of the compound at $298 K$ will be shown by
Why first ionisation enthalpy of $\mathrm{Cr}$ is lower than that of $\mathrm{Zn}$ ?
Why first ionisation enthalpy of $\mathrm{Cr}$ is lower than that of $\mathrm{Zn}$ ?
For the first row transition metals the ${E^\Theta }$ values are:
${E^\Theta }$
$V$
$Cr$
$Mn$
$Fe$
$Co$
$Ni$
$Cu$
$\left( {{M^{2 + }}/M} \right)$
$-1.18$
$-0.91$
$-1.18$
$-0.44$
$-0.28$
$-0.25$
$+0.35$
Explain the irregularity in the above values.
For the first row transition metals the ${E^\Theta }$ values are:
| ${E^\Theta }$ | $V$ | $Cr$ | $Mn$ | $Fe$ | $Co$ | $Ni$ | $Cu$ |
| $\left( {{M^{2 + }}/M} \right)$ | $-1.18$ | $-0.91$ | $-1.18$ | $-0.44$ | $-0.28$ | $-0.25$ | $+0.35$ |
Explain the irregularity in the above values.
In which pair of ions both are diamagnetic in nature?
In which pair of ions both are diamagnetic in nature?
The addition of metals like $Cr,\,Mn,\,W$ and $Ni$ to ordinary steel makes it
The addition of metals like $Cr,\,Mn,\,W$ and $Ni$ to ordinary steel makes it