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Potassium Dichromate

Identify A,...

Question

Identify $A, B, C, D, E, F, G$ .

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Solution

$K_{2} {C r}_{2} O_{7} K O H - --- \to K_{2} {C r O}_{4} P b {({C H}_{3} C O O H)}_{2} - ------------- \to {P b C r O}_{4}$
$↓ {N H}_{4} C l$ ${C H}_{3} C O O H$
${({N H}_{4})}_{2} {C r}_{2} O_{7} + 2 K C l Δ ⟶ N_{2} + {C r}_{2} O_{3}$
(gas) (green)
$↓ A l, Δ$
$C r + {A l}_{2} O_{3}$ (oxide)
(metal)

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Similar questions

Q. If a:b = c:d, and e:f = g:h, then (ae+bf):(ae-bf)=?

C a C O_{3} (s) Δ \to A (s) + B (g)

A (s) c a r b o n, Δ \to C (s) + D (g)

(E) + H_{2} O + (B) \to (F) + C a C O_{3}

(F) + H_{2} O \to (G)

(E)

(G)

:

ξ

a, b, c, d, e, f, g, h

A =

b, c, d, e, f

B =

a, b, c, g, h

C =

c, d, e, f, g

C

^{'}

- B

^{'}

ξ

a, b, c, d, e, f, g, h

A =

b, c, d, e, f

B =

a, b, c, g, h

C =

c, d, e, f, g

^{'}

^{'}

^{'}

If universal set

ξ = {a, b, c, d, e, f, g, h}, A = {b, c, d, e, f}, B = {a, b, c, g, h}

C = {c, d, e, f, g}

(B - C)^{'}

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