Identify (A) to (H) Mineral (A) overse...

Identify (A) to (H)
Mineral `(A) overset(dil.H_(2)SO_(4))rarr(B) +(C) +(D) (gas)`
`(D) + (CH_(3)COO)_(2)Pb overset(Delta) to` black ppt
`(B) + (C ) overset((D)) to E` (black ppt)
separrated from (C ) by fitration
`(E) + underset(dil)(HNO_(3)) overset(Delta) to (F)` (blue coloured solution)
`(F )+ K_(4)[Fe(CN)_(6)] rarr` chocolate colourer ppt
`(C ) + K_(3)[Fe(CN)_(6)] rarr` blue `(H)`

Text Solution

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The correct Answer is:

A: `CuFeS_(2)` B : `CuSO_(4)` C: `FeSO_(4)` D: `H_(2)S` E: `CuS` F: `Cu(NO_(3))_(2)` G : `Cu_(2)[Fe(CN)_(6)]` H: `Kfe^(II)[Fe^(III)(CN)_(6)]` Turnbulls blue

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Identify (A),(B),(C ) and (D) and example reactions . (A) (green coloured salt) + K_(2)Cr_(2)O_(7) + "conc" H_(2)SO_(4) overset(Delta) to(B) (B) (redidish brown gas) + NaOH rarr ( C) (C ) + (CH_(3)COO)_(2)Pb rarr (D ) (yellow ppt) (A) +NaOH + Br_(2) water overset(Delta) to (C ) (C ) + (CH_(3)COO)_(2) Pb overset(Delta) to (D)

complete the following reactions:
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b. (B) `overset (NaBH_(4)) rarr` F `overset (H_(2)SO_(4)) underset (Delta) rarr` G `overset (HNO_(3)) underset (H_(2)SO_(4)) rarr` H

Complete the following reaction :
(a)

(b)

( c)

(d)

( e)

(f) `PhCHO overset(N_(3)H//H^(o+))underset(Delta)rarr (B) overset(H_(3)O^(o+))rarr (C) +(D)`
(g)

Black (A)+H_(2)SO_(4)to (B)"gas"+( C) (B)+(CH_(3)COO)_(2) Pb to (D) black ppt. ( C)+K_(3)[Fe(CN)_(6)] to (E) blue. ( C) also decolourilses acidified KMnO_(4) .Identify (A) to (E)

`("White ppt")D underset(dil. H_(2)SO_(4))overset(Na_(2)CO_(3))(larr) underset("C(White ppt)")underset(darr)A underset("(in acetic acid)")overset(K_(2)CrO_(4))(rarr)B("Yellow ppt")`
If A is the metallic salt, then the white ppt. of D must be of

{:(FeCI_(3)"solution" +(NH_(4))_(2)S overset("Neutral medium")rarr,"Black ppt".(A)),(," "darrdil.H_(2)SO_(4)),(,"White ppt". (B) +Gas (C)):} while AICI_(3) solution +(NH_(4))_(2)S rarr White ppt.(D) What is the formula of black ppt.(A)?

`{:(FeCI_(3)"solution" +(NH_(4))_(2)S overset("Neutral medium")rarr,"Black ppt".(A)),(," "darrdil.H_(2)SO_(4)),(,"White ppt". (B) +Gas (C)):}` while `AICI_(3)` solution `+(NH_(4))_(2)S rarr` White ppt.(D)
White ppt.(D) is :

From the following reactions. Identify A to F Mg overset("air"/Delta)(to)"Colourless solid" (A) overset(HCl)(to)"colourless solution"(B) overset(Na_(2)CO_(3))(to)"White ppt"(C )overset(Delta)(to)underset("white ppt"(F))underset(darrCa(OH)_(2))underset("gas")underset("colourless")((E))+(D)

Consider the following reaction:
`X(aq.) overset(K_(4)[Fe(CN)_(6)])to ` Chocolate brown ppt.
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प्रारम्भ में, NaCl से NaOH तथा `CI_2` का निर्माण निम्न पदों के द्वारा किया जाता था
`NaCl + "" H_(2)SO_(4) overset(Delta) rarr A + B "सान्द्र" `
`B overset(MnO_2) rarr underset("गैस") (C)`
` A + NaCl overset(Delta)rarr D+ B` गैस
`D + C + CaCO_(3) rarr E + F `
`CaCO_(3) overset(Delta) underset("गैस ")(G+H)`
`G + H_(2) O rarr I`
`I + E rarr NaOH + CaCO_(3)`
इस प्रक्रम में गैसें B,C तथा H हैं क्रमशः

Aqueous solution of `A+AgNO_(3) to `Black ppt. (B)
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The black precipitate is

Consider the following reaction: X(aq.) overset(K_(4)[Fe(CN)_(6)])to Chocolate brown ppt. X(aq.) overset(AgNO_(3))to White ppt. (insoluble in dil. HNO_(3) ) Then 'X' will be:

CENGAGE CHEMISTRY-QUALITATIVE INORGANIC SALT ANALYSIS-Ex 8.1

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