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Black (A)+H(2)SO(4)to (B)"gas"+( C) (B...

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)`

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`FeS + H_(2) SO_(4) rarr H_(2)S + FeSO_(4) , H_(2) S + (CH_(3)COO)_(2) Pb rarr PbS ("black ppt.") + 2CH_(3) COOH`
`Fe^(2+) + K_(3) [Fe(CN)_(6)]^(3) rarr Kfe^(II) [Fe^(III) (CN)_(6)]` Turnbull's blue
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An organic compound (A) (C_(5)H_(7)OCl) reacts rapidly with ethanol to give (B) (C_(7)H_(12)O_(2)) . (A) also reacts with water to produce an acid which reacts with bromine to give (C ) (C_(5)H_(8)Br_(2)O_(2)) . (B) on boiling with H_(2)SO_(4) forms an acid (D). When (D) is oxidised with KMnO_(4) an acid (E ) (C_(4)H_(6)O_(3)) is produced. On mild heating, (E ) gives (F) (C_(3)H_(6)O) which cannot be oxidised by ammoniacal AgNO_(3) . Identify the compounds (A) to (F).

X_(2)S_(n)+water to X(OH)_(n) darr+ underset((Gas))(Y uarr)overset(Pb(CH_(3)COO)_(2))tounderset(("Black ppt."))(Z darr) Then (X) cation can not be:

RESONANCE-NITROGEN & OXYGEN FAMILY-Part-III Practice Test-2 (JEE (Advanced Pattern))
  1. Black (A)+H(2)SO(4)to (B)"gas"+( C) (B)+(CH(3)COO)(2) Pb to (D) blac...

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  2. An unknown substance (P) functions as weak base in water. It produces ...

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  3. The compound which gives oxygen on moderate heating is

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  4. Which of the following compounds does give N(2) on heating ?

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  5. Which of the following cannot result in the formation of NO ?

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  6. A gaseous substance dissolve in water giving a pale blue solution whic...

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  7. Which of the following will not decolourise acidified KMnO(4) ?

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  8. Which of the following statements is not true about ozone ?

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  9. Sulphuric acid reacts with PCl5 to give

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  10. Which is greater for P(4) (white) tan P(4) (red)

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  11. What is//are not true abut phosphine (PH(3))?

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  12. Which of the following is/are correct regarding nitrogen family

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  13. P(2)O(5) can dehydrate

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  14. What products are formed when H(3)PO(2) is heated at 415 K and at 435 ...

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  15. 4AgNO(3) + 2H(2)O + H(3)PO(2) overset("boil")rarr 4 Ag + 'X' + 'Y' I...

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  16. Cold dilute nirtic acid would dissolved how many of the following with...

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  17. Which of the following on heating will produce an oxide of nitrogen ...

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  18. NaPO(3) can significantly react with how many of the following ? CaC...

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  19. One mole of PCl(3) is dissolved in excess of water. No. of moles of Na...

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  20. When hypo solution react with CuSO(4) and produce soluble complex, the...

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  21. How many of the following reaction yield POCl(3) ? {:((i) PCl(3) + O...

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