FeCr2O4 (chromite) is converted to Cr by following steps: Chromite xrightarrowI Na2 CrO4 xrightarrowII CrO3 xrightarrowIII Cr, I,II and III are I II III 1 Na2CO3 / air, Δ C C 2 NaOH / air, Δ C,Δ Al, Δ 3 NaOH/air, Δ C,Δ Mg, Δ 4 conc. H2SO4, Δ NH4 Cl C, Δ

Question

FeCr2O4 (chromite) is converted to Cr by following steps: Chromite xrightarrowI Na2 CrO4 xrightarrowII CrO3 xrightarrowIII Cr, I,II and III are I II III 1 Na2CO3 / air, Δ C C 2 NaOH / air, Δ C,Δ Al, Δ 3 NaOH/air, Δ C,Δ Mg, Δ 4 conc. H2SO4, Δ NH4 Cl C, Δ (A) 1 (B) 2 (C) 3 (D) 4

Tardigrade Admin · Accepted Answer

FeCr2O4 xrightarrow[Δ]NaOH/air Na2CrO4 xrightarrowC, Δ Cr2O3 xrightarrowAl, ΔCr

	$I$	$II$	$III$
1	$N a_{2} C O_{3} / ai r, Δ$	$C$	$C$
2	$N a O H / ai r, Δ$	$C, Δ$	Al, $Δ$
3	$N a O H / ai r, Δ$	$C, Δ$	Mg, $Δ$
4	conc. $H_{2} S O_{4}, Δ$	$N H_{4} Cl$	$C, Δ$

Q. FeCr2​O4​ (chromite) is converted to Cr by following steps: Chromite I​Na2​CrO4​II​Cr​O3​III​Cr,I,II and III are I II III 1 Na2​CO3​/air,Δ C C 2 NaOH/air,Δ C,Δ Al, Δ 3 NaOH/air,Δ C,Δ Mg, Δ 4 conc. H2​SO4​,Δ NH4​Cl C,Δ

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FeCr2​O4​NaOH/airΔ​Na2​CrO4​C,Δ​Cr2​O3​Al,Δ​Cr

$F e C r_{2} O_{4} N a O H / ai r Δ N a_{2} C r O_{4} C, Δ C r_{2} O_{3} A l, Δ C r$