FeS - HCl - A - B g Gas B is passed into aq- solution of C to form A- Select correct statements based on the above-A- Color of C changes from yellow to very light greenB- Gas B turns lead acetate paper blackC- A forms deep blue color with K 3- F e CN 6-D- All the above are true

The correct option is D All the above are trueFeS + 2HCl → FeCl_2 + H_2S(g) (A) (B) (a)2FeCl_3 + H_2S → 2FeCl_2+2HCl+S ...

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Byju's Answer

Standard XII

Chemistry

Preparation of Carboxylic Acids

FeS + HCl → A...

Question

$F e S + H C l \to A + B (g)$
Gas B is passed into aq. solution of C to form A. Select correct statement(s) based on the above.

Color of C changes from yellow to very light green

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Gas B turns lead acetate paper black

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A forms deep blue color with

K_{3} [F e (C N)_{6}]

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All the above are true

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Solution

The correct option is D All the above are true
$F e S + 2 H C l \to F e C l_{2} + H_{2} S (g) (A) (B) (a) 2 F e C l_{3} + H_{2} S \to 2 F e C l_{2} + 2 H C l + S Y e l l o w g r e e n (b) (C H_{3} C O O)_{2} P b + H_{2} S \to C H_{3} C O O H + P b S (B) B l a c k (c) F e C l_{2} + K_{3} [F e (C N)_{6}] \to F e_{3} [F e (C N)_{6}]_{2} b l u e$

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Similar questions

F e S + H C l \to A + B (g)

Gas B is passed into aq. solution of C to form A. Select correct statement(s) based on the above.

F e S + H C l \to A + B (g)

Gas

B

is passed into aqueous solution of

C

to form

A

. Select correct statements based on the above facts.

Q. (A) (black) + dil.

H C l △ ⟶ (B) (l)

+ (C)(g). gas (C) turns lead acetate paper black. (B) gives orange ppt (D) soluble in excess of KI forming (E).

State True or False.

(A) is

H g S

Q. (A) (yellow coloured solution) changes to light green coloured solution (B) on passing

H_{2} S

gas. (A) and (B) both give white precipitate with

B a {C l}_{2}

solution, insoluble in conc.

H C l

. A gives blue coloured ppt (C) with

K_{4} [{F e (C N)}_{6}]

, (B) does not. Here,
(A) :

{F e C l}_{3}

(B) :

{F e C l}_{2}

F e_{4} [F e (C N_{6})]_{3}

If true enter 1, else enter 0.

A

and

B

are two ores of copper.

A

undergoes calcination to form a solid,

C O_{2 (g)}

and

O_{2 (g)}

B

undergoes roasting to form a solid and a gas

C

which turns acidified

K_{2} C r_{2} O_{7}

to green solution.

B

also reacts with dil

H C l

to form a solid and gas

D

which turns lead acetate solution black.

D

also reacts with

C

to form colloidal sulphur in the presence of moisture.

The gas (

C

) acts as a/an:

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FeS+HCl→A+B(g) Gas B is passed into aq. solution of C to form A. Select correct statement(s) based on the above.

The correct option is D All the above are trueFeS+2HCl→FeCl2+H2S(g) (A) (B)(a)2FeCl3+H2S→2FeCl2+2HCl+S Yellow green(b)(CH3COO)2Pb+H2S→CH3COOH+PbS (B) Black(c)FeCl2+K3[Fe(CN)6]→Fe3[Fe(CN)6]2 blue

$F e S + H C l \to A + B (g)$
Gas B is passed into aq. solution of C to form A. Select correct statement(s) based on the above.