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CuSO(4)+Zn(s) to ZnSO(4)+Cu...

`CuSO_(4)+Zn(s) to ZnSO_(4)+Cu`

A

For disproportionation reaction.

B

For comproportionation reaction.

C

For either intermolecular redox reaction or displacement reaction

D

For either thermal combination redox reaction or thermal decomposition redox reaction.

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The correct Answer is:
c
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Identify the type of reaction from the following equations: (i) CH_(4)+2O_(2)rarr CO_(2)+2H_(2)O " (ii) Pb(NO_(3))_(2) + 2KI rarr PbI_(2)+2KNO_(3) (iii) CaO+H_(2)Orarr rarr Ca(OH)_(2) " (iv) CuSO_(4)+Znrarr ZnSO_(4) + Cu

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How many of the following salts give precipitate with aq. NaOH solution which dissolve in excess of the reagent? CdSO_(4), Pb(NO_(3))_(2), CrCI_(3). MnCI_(2). ZnSO_(4). CuSO_(4). Bi(NO_(3))_(3), SnCI_(4)

Write the equation in the ionic form CuSO_4 (aq) + Fe (s) to FeSO_4 (aq) + Cu (s)

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Chief ore of Zn is ZnS . The ore is concentrated by froth flotation process and then heated in air to convert ZnS to ZnO . ltntgt 2 ZnS + 3O_(2) rarr 2 ZnO + 2 SO_(2) …(i) ZnO , thus formed is treated with dilute H_(2) SO_(4) . ZnO + H_(2) SO_(4) rarr ZnSO_(4) + H_(2) O ....(ii) On electrolysis of ZnSO_(4(aq)), Zn metal is produced. 2 ZnSO_(4) + H_(2) O rarr 2 Zn + 2H_(2) SO_(4) + O_(2) ....(iii) What mass of Zn will be obtained from an ore containing 225 kg of ZnS ? (Zn = 65, S = 32, O = 16, H = 1) .

VK JAISWAL ENGLISH-TYPES OF REACTIONS-SUBJECTIVE PROBLEMS
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