Which of the following is not correct about transition metals

  • A

    Their melting and boiling points are high

  • B

    Their compounds are generally coloured

  • C

    They can form ionic or covalent compounds

  • D

    They do not exhibit variable valency

Similar Questions

Effective magnetic moment of $S{c^{ + 3}}$ ion is

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 ?

An ornamental of gold having $75\%$ of gold, it is of .............. carat.

Which of the following complex ion has a magnetic moment same as $[Cr(H_2O)_6]^{3+}$ ?

The tendency of $ 3d-$ metal ions to form stable complexes is due to their