Metals generally melt at very high temperature. Amongst the following, the metal with the highest melting point will be $......$

  • [JEE MAIN 2022]
  • A

    $Hg$

  • B

    $Ag$

  • C

    $Ga$

  • D

    $Cs$

Similar Questions

Reactivity of transition elements decreases almost regularly from $Sc$ to $Cu$. Explain.

Which of the following order is correct

The 'spin only' magnetic moment value of $\mathrm{MO}_4{ }^{2-}$ is . . . . . BM. (Where $\mathrm{M}$ is a metal having least metallic radii. among $\mathrm{Sc}, \mathrm{Ti}, \mathrm{V}, \mathrm{Cr}, \mathrm{Mn}$ and $\mathrm{Zn}$ ).

(Given atomic number: $\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23$, $\mathrm{Cr}=24, \mathrm{Mn}=25$ and $\mathrm{Zn}=30)$

  • [JEE MAIN 2024]

Although $Cr^{3+}$ and $Co^{2+}$ ions have same number of unpaired electrons but the magnetic moment of $Cr^{3+}$ is $3.87\,BM$. and that of $Co^{2+}$ is $4.87\,BM$. Why ?

Essential constituent of an amalgam is