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 ?
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 ?
Similar Questions
Match the catalysis (Column$-I$ ) with products (Column $-II$ )
Column $-I$ Catalyst
Column $-II$ >Product
$(a)$ $V_2O_5$
$(i)$ Polyethylene
$(b)$ $TiCl_4/Al(Me)_3$
$(ii)$ Ethanal
$(c)$ $PdCl_2$
$(iii)$ $H_2SO_4$
$(d)$ Iron oxide
$(iv)$ $NH_3$
Match the catalysis (Column$-I$ ) with products (Column $-II$ )
| Column $-I$ Catalyst | Column $-II$ >Product |
| $(a)$ $V_2O_5$ | $(i)$ Polyethylene |
| $(b)$ $TiCl_4/Al(Me)_3$ | $(ii)$ Ethanal |
| $(c)$ $PdCl_2$ | $(iii)$ $H_2SO_4$ |
| $(d)$ Iron oxide | $(iv)$ $NH_3$ |
- [JEE MAIN 2019]
The atomic radius of $Ag$ is closest to
The atomic radius of $Ag$ is closest to
- [JEE MAIN 2020]
Amongst $TiF_6^{2 - },CoF_6^{3 - },C{u_2}C{l_2}$ and $NiCl_4^{2 - }$ (Atomic number $Ti = 22,$ $Co = 27,$ $Cu = 29,$ $Ni = 28$). The colourless species are
Amongst $TiF_6^{2 - },CoF_6^{3 - },C{u_2}C{l_2}$ and $NiCl_4^{2 - }$ (Atomic number $Ti = 22,$ $Co = 27,$ $Cu = 29,$ $Ni = 28$). The colourless species are
- [AIPMT 1995]
Triple degenerate $d-$ orbitals are exactly half-filled in
Triple degenerate $d-$ orbitals are exactly half-filled in
Complex ion is shown by
Complex ion is shown by