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Fill in teh blanks. i. H(2)SO(4)+HI r...

Fill in teh blanks.
i. `H_(2)SO_(4)+HI rarr …..+SO_(2)+2H_(2)O`
ii. `CaOCI_(2)+NaI+HCI rarr ….. +CaCI_(2)+H_(2)O+NaCI`
iii. `NH_(3)+CI_(2)(excesse) rarr …. + HCI`
iv. `KMnO_(4)+KCI+H_(2)SO_(4) rarr K_(2)SO_(4)+MnSO_(4)+…..+…..`
v. `K_(2)Cr_(2)O_(7)+HCI rarr KCI+Cr4CI_(3)+.....+....`
vi. `CuSO_(4)+KI rarr Cu_(2)I_(2)+.....+....`
vii. `NH_(3)+NaOCI rarr N_(2)+NaCI+.....`
viii. `CI_(2)+H_(2)O+HgO rarr HgCI_(2).HgO+.....`
ix. `P_(4)+I_(2)+H_(2)O rarr H_(3)PO_(3)+.......`
x. `NaBr+MnO_(2)+H_(2)S_(4)rarr NaHSO_(4)+......+H_(2)O+.....`

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Text Solution

Verified by Experts

(i) `I_(2)`, (ii) `I_(2)`
(iii) `NCl_(3)`, (iv) `Cl_(2),H_(2)O`
(v)`H_(2)O,Cl_(2)`, (vi) `K_(2)SO_(4),I_(2)`
(vii) `H_(2)O` , (viii) `HOCl`
(ix)`HI`, (x)`MnSO_(4),Br_(2)`.
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Balance the following reactions: a. U(SO_(4))_(2)+KMnO_(4)+H_(2)OrarrH_(2)SO_(4)+K_(2)SO_(4)+MNSO_(4)+UO_(2)SO_(4) b. Bi_(2)O_(3)+NaOH+NaOClrarrNaBiO_(3)+NaCl+H_(2)O c. Ca(Ocl)_(2)+KI+HCIrarrI_(2)+CaCl_(2)+H_(2)O+KCI d. MnO+PbO_(2)+HNO_(3)rarrHMnO_(4)+Pb(NO_(3))_(2)+H_(2)O (e) CeI_(3) + KOH + Cl_(20 rarr K_(2)CrO_(3) + KIO_(4) + Kcl+H_(2)O (g) Na_(2)HasO_(3) + NaI + HCl rarr NaCl + KBr + H_(3)AsO_(4) (g) Na_(2)TeO_(3) + Nal rarr NaCl + Te + H_(2)O+I_(2) (h) K_(3)[Fe(CN)_(6)] + Cr_(2)O_(3) + KOH rarr K_(4)[Fe(CN)_(6)]+K_(2)CrO_(4)+H_(2)O (i) NH_(3)+O_(2) rarr NO + H_(2)O (j) HNO_(3)+HI rarr NO + I_(2) + H_(2)O (k) MnSO_(4)+(NH_(4))_(2)S_(2)O_(8) + H_(2)O rarr MnO_(2) + H_(2)SO_(4)+(NH_(4))_(4) (l) CuO+NH_(3)rarrN_(2)+H_(2)O+Cu m. NaHSO_(4)+Al+NaOHrarrNa_(2)S+Al_(2)O_(3)+H_(2)O n. CoCl_(2)+Na_(2)O_(2)+NaOH+H_(2)OrarrCo(OH)_(3)+NaCl o. [Cu(NH_(3))_(4)]Cl_(2)+KCN+H_(2)rarrNH_(3)+NH_(4)Cl+KCl+KCNO+K_(2)Cu(CN)_(3) p. Sb_(2)O_(3)+KIO_(3)+HCI+H_(2)OrarrHSb(OH)_(6)+KCI+ICI q. WO_(3)+SnCl_(2)+HClrarrW_(3)O_(8)+H_(2)SnCl_(6)+H_(2)O r. CoCl_(2)+KNO_(2)+CIrarrK_(3)Co(CNO_(2))_(6)+NO+KCI+H_(2)O s. V(OH)_(4)Cl+FeCl_(2)+HClrarrVOCl_(2)+FeCl_(2)+FeCl_(3)+H_(2)O t. Ag+KCN+O_(2)+H_(2)OrarrK[Ag(CN)_(2)]+KOH u. KClO_(3)+H_(2)SO_(4)rarrKHSO_(4)+O_(2)+ClO_(2)+H_(2)O v. Cr_(2)O_(3)+Na_(2)CO_(3)+KNO_(3)rarrNa_(2)CrO_(4)+CO_(2)+KNO_(2) w. Au+CN^(ө)+O_(2)rarr[Au(CN)_(4)]^(ө) (aqueous solution) x. Zn+ReO_(4)^(ө)rarrRe^(ө)+Zn^(2+) (acidic medium)

How many of the following reaction would produce phosphine gas ?
(a) `PH_(4)Cl+NaOH rarr " " (b) P_(4)+NaOH overset(Delta) rarr `
( c) `Ca_(3)P_(2)+H_(2)O rarr " " (d)H_(3)PO_(3) overset(Delta) rarr`
(e ) `PCl_(5)+H_(2)SO_(4) rarr " " (f) H_(3)PO_(2) overset(Delta) rarr`
(g) `P_(2)Cl_(4)+H_(2)O rarr " " (h) AlP+H_(2)O overset( Delta) rarr `
(i) ` P_(4)O_(10)+H_(2)O rarr`

`CH-=CHunderset(Hg^(2+))overset(H_(2)SO_(4)(dil)")rarr[A]underset(H_(2)O //H^(+))overset(CH_(3)MgBr)rarr[B]overset(H_(2)Cr_(2)O_(7)//H_(2)SO_(4))rarr[C]`

How many are redox reaction-
`{:((i),K_(4)[Fe (CN)_(6)] + "conc."H_(2)SO_(4) overset(Delta)rarr,(ii),"conc." H_(2)SO_(4) + KCl rarr),((iii),"conc." H_(2)SO_(4) + KBr rarr,(iv),"conc." H_(2)SO_(4) + NH_(3) rarr),((v),"conc." H_(2)SO_(4) + KNO_(3) rarr,(vi),"conc." H_(2)SO_(4) + PCl_(5) rarr),((vii),"conc." H_(2)SO_(4) + COCl_(2) rarr,(viii),"conc." H_(2)SO_(4) + Zn rarr),((ix),"conc." H_(2)SO_(4) + Cu rarr,,):}`

Three reactions involving `H_(2)PO_(4)^(-)` are given below
`I. H_(3)PO_(4)+H_(2)OrarrH_(3)O^(+)+H_(2)PO_(4)^(-)`
`II. H_(2)PO_(4)^(-)+H_(2)OrarrHPO_(4)^(2-)+H_(3)O^(+)`
`III. H_(2)PO_(4)^(-)+OH^(-)rarrH_(3)PO_(4)+O^(2+)`
In which of the above does `H_(2)PO_(4)^(-)` act as an acid?

निम्नलिखित रासायनिक समीकरण को संतुलित कीजिए -
(i) `MnO_(2)+HCI rarr MnCl_(2)+H_(2)O+Cl_(2)`
`Fe+H_(2)O rarr Fe_(3)O_(4)+H_(2)`

निम्नलिखित रासायनिक समीकरणों को संतुलित कीजिए -
(i) `BaCl_(2)+H_(2)SO_(4)rarr BaSO_(4)+HCl`
(ii) `NaOH + H_(2)SO_(4)rarr Na_(2)SO_(4)+H_(2)O`
(iii) `HNO_(3)+Ca(OH)_(2)rarr Ca(NO_(3))_(2)+H_(2)O`
(iv) `H_(2)+Cl_(2)rarr HCl`
(v) `Ca(OH)_(2)+CO_(2)rarr CaCO_(3)+H_(2)O`

Balance the following equation by partial Equation method:
(i) `PbS+O_(3)rarr PbSO_(4)+O_(2)`
(ii) `K_(2)Cr_(2)O_(7)+H_(2)SO_(4)+SO_(2) rarr K_(2)SO_(4)+Cr_(2)(CO_(4))_(3)+H_(2)O`
(iii) `KMnO_(4)+FeSO_(4)+H_(2)SO_(4) rarr K_(2)SO_(4)+MnSO_(4)+Fe_(2)(SO_(4))_(3)+Fe_(2)(SO_(4))_(3)+H_(2)O`
(iv) `Mg+HNO_(3) rarr Mg(NO_(3))_(2)+NH_(4)NO_(3)+H_(2)O`
(v) `Cu+HNO_(3) rarr Cu(NO_(3))_(2)+NO+H_(2)O`
(vi) `C+H_(2)SO_(4) rarr CO_(2)+SO_(2)+H_(2)O`
(vii) `P_(4)+HNO_(3) rarr H_(3)PO_(4)+NO_(2)+H_(2)O`
(viii) `CuSO_(4)+KI rarr K_(2)SO_(4)+Cu_(2)I_(2)+I_(2)`
(ix) `Fe_(2)(SO_(4))_(3)+NH_(3)+H_(2)O rarr Fe(OH)_(3)+(NH_(4))_(2)SO_(4)`
(x) `I_(2)+HNO_(3) rarr HIO_(3)+NO_(2)+H_(2)O`

Balance the following equations by oxidation number method (i) Kr_(2)Cr_(2)O_(7) + KI + H_(2)SO_(4) to K_(2)SO_(4) + Cr_(2)(SO_(4))_(3) + I_(2) + H_(2)O (ii) KMnO_(4) + Na_(2)SO_(3) to MnO_(2) + Na_(2)SO_(4) + KOH (iii) Cu + HNO_(3) to Cu(NO_(3))_(2) + H_(2)O (iv) KMnO_(4) + H_(2)C_(2)O_(4) + H_(2)SO_(4) to K_(2)SO_(4) + MnSO_(4) + CO_(2) + H_(2)O

If `S + O_(2) rarr SO_(2), Delta H = -298.2 kJ`
`SO_(2) + (1)/(2) O_(2) rarr SO_(3), Delta H = -98.2 kJ`
`SO_(3) + H_(2)O rarr H_(2)SO_(4), Delta H = -130.2 kJ`
`H_(2) + (1)/(2) O_(2) rarr H_(2)O, Delta H = -287.3 kJ`
the enthalpy of formation of `H_(2)SO_(4)` at 298 K will be

Balance the following equations and write down the stoichiometric proportions. a) C+O_(2)rarr CO_(2) b) H_(2)+Cl_(2)rarr HCl c) N_(2)+H_(2)rarr NH_(3) d) Fe+O_(2)rarrFe_(2)O_(3) e) CaCO_(3)+HClrarr CaCl_(2)+H_(2)O+CO_(2) f) MnO_(2)+HCl rarr MnCl_(2)+H_(2)O+Cl_(2) g) Mg(OH)_(2)+HClrarrMgCl_(2)+H_(2)O h) KI+H_(2)SO_(4)rarr KHSO_(4)+I_(2)+SO_(2)

KMnO_(4) + H_(2)SO_(4) + H_(2)C_(2)O_(4) rarr K_(2)SO_(4)+MnSO_(4) + CO_(2) + H_(2)O . Balance this equation.

Balance the equation : SO_(2) + Na_(2)CrO_(4) + H_(2)SO_(4) rarr Na_(2)SO_(4) + Cr_(2)(SO_(4))_(3) + H_(2)O

What is the mole coefficient of `H_(2)SO_(4)` in the balanced equation.
`K_(2)Cr_(2)O_(7) + FeSO_(4) + H_(2)SO_(4) rarr K_(2)SO_(4) + Fe_(2)(SO_(4))_(3) + Cr_(2)(SO_(4))_(3) + H_(2)O`

Fill in teh blanks.
i. `H_(2)SO_(4)+HI rarr …..+SO_(2)+2H_(2)O`
ii. `CaOCI_(2)+NaI+HCI rarr ….. +CaCI_(2)+H_(2)O+NaCI`
iii. `NH_(3)+CI_(2)(excesse) rarr …. + HCI`
iv. `KMnO_(4)+KCI+H_(2)SO_(4) rarr K_(2)SO_(4)+MnSO_(4)+…..+…..`
v. `K_(2)Cr_(2)O_(7)+HCI rarr KCI+Cr4CI_(3)+.....+....`
vi. `CuSO_(4)+KI rarr Cu_(2)I_(2)+.....+....`
vii. `NH_(3)+NaOCI rarr N_(2)H_(4)+NaCI+.....`
viii. `CI_(2)+H_(2)O+HgO rarr HgCI_(2).HgO+.....`
ix. `P_(4)+I_(2)+H_(2)O rarr H_(3)PO_(3)+.......`
x. `NaBr+MnO_(2)+H_(2)SO_(4)rarr NaHSO_(4)+......+H_(2)O+.....`

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