The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of products $\mathrm{A}$ and $\mathrm{B}$ along with the evolution of $\mathrm{CO}_2$. The sum of spin-only magnetic moment values of $A$ and $B$ is .......... $B.M.$ (Nearest integer)
(Given atomic number: $\mathrm{C}: 6, \mathrm{Na}: 11, \mathrm{O}: 8$, $\mathrm{Fe}: 26, \mathrm{Cr}: 24 \mathrm{~J}$
The fusion of chromite ore with sodium carbonate in the presence of air leads to the formation of products $\mathrm{A}$ and $\mathrm{B}$ along with the evolution of $\mathrm{CO}_2$. The sum of spin-only magnetic moment values of $A$ and $B$ is .......... $B.M.$ (Nearest integer)
(Given atomic number: $\mathrm{C}: 6, \mathrm{Na}: 11, \mathrm{O}: 8$, $\mathrm{Fe}: 26, \mathrm{Cr}: 24 \mathrm{~J}$
- [JEE MAIN 2024]
- A
$5$
- B
$6$
- C
$8$
- D
$10$
Similar Questions
Highest $(+7) $ oxidation state is shown by
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- [AIPMT 1994]
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]
Which of the following ions will exhibit colour in aqueous solutions?
Which of the following ions will exhibit colour in aqueous solutions?
- [AIPMT 2010]
Metre scales are made-up of alloy
Metre scales are made-up of alloy
How would you account for the following:
$(i)$ of the $d^{4}$ species, $Cr ^{2+}$ is strongly reducing while manganese $(III)$ is strongly oxidising.
$(ii)$ Cobalt $(II)$ is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.
$(iii)$ The $d^{1}$ configuration is very unstable in ions.
How would you account for the following:
$(i)$ of the $d^{4}$ species, $Cr ^{2+}$ is strongly reducing while manganese $(III)$ is strongly oxidising.
$(ii)$ Cobalt $(II)$ is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.
$(iii)$ The $d^{1}$ configuration is very unstable in ions.