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निम्नलिखित अभिक्रियाओं में ऑक्सीकृत, अप...

निम्नलिखित अभिक्रियाओं में ऑक्सीकृत, अपचयित, ऑक्सीकारक तथा अपचायक पदार्थ पहचानिए -
(क) `2Ag Br (s) + C_6H_6 O _2 (aq) to 2Ag(s) + 2 HBr(aq) + C_6 H_4O_2(aq)`
(ख) `HCHO(l) + 2[Ag(NH_3)_2]^(+) (aq) + 3OH^(-) (aq) to 2 Ag(s) + HCOO^(-) (aq) + 4NH_3 (aq) + 2H_2 O (l)`
(ग) ` HCHO(l) + 2Cu^(2 + ) (aq) + 5OH^(-) (aq) to Cu_2 O (s) + HCOO^(-) (aq) + 3H_2O(l)`
(घ) `N_2H_4(l) + 2H_2O_2(l) to N_2(g) + 4H_2 O (l) `
(ड़) ` Pb(s) + Pb O_2 (s) + 2H_2 SO_4(aq) to 2PbSO_4(s) + 2H_2O(l) `

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Identify the substance oxidised, reduced, oxidising agent and reducing agent for each of the following reactions : a) 2AgBr(s)+C_(6)H_(6)O_(2)(aq)to2Ag(s)+2HBr(aq)+C_(6)H_(4)O_(2)(aq) b) HCHO(l)+2[Ag(NH_(3))_(2))^(+)(aq)+3OH^(-)(aq)to2Ag(s)+HCOO^(-)(aq)+4NH_(3)(aq)+2H_(2)O(l) c) HCHO(l)+2Cu^(2+)(aq)+5OH^(-)(aq)toCu_(2)O(s)+HCOO^(-)(aq)+3H_(2)O(l) d) N_(2)H_(4)(l)+2H_(2)O_(2)(l)toN_(2)(g)+4H_(2)O(l) e) Pb(s)+PbO_(2)(s)+2H_(2)SO_(4)(aq)to2PbSO_(4)(s)+2H_(2)O(l)

Identify the substance oxidised and reduced, oxidising agent and reducing agent for each of the following reactions (a) 2AgBr(s)toC_(6)H_(6)O_(2)(aq)to2Ag(s)+2HBr(aq)+C_(6)H_(4)O_(2)(aq) (b) HCHO(l)+2[Ag(NH_(3))_(2)]^(+)(aq)+3OH^(-)(aq)to2Ag(s)+HCOO^(-)(aq)+4NH_(3)(aq)+2H_(2)O(l) (c ) HCHO(l)+2Cu^(2+)(aq)+5OH^(-)(aq)toCu_(2)O(s)+HCOO^(-)(aq)+3H_(2)O(l) (d) N_(2)H_(4)(l)+2H_(2)O_(2)(l)toN_(2)(g)+4H_(2)O(l) Pb(s)+PbO_(2)(s)+2H_(2)SO_(4)(aq)to2PbSO_(4)(s)+2H_(2)O(l)

Identify the subtance oxidized, reduced, oxidizing agent and reducing agent ror each of the following reactions. a) '2 AgBr(s)+C_6 H_6 O_2(aq) rarr 2 Ag(s)+2 HBr(aq)+C_6 H_4 O_2(aq)' b) 'HCHO(l)+2[Ag(NH_3)_2]^+(a q)(+3) OH-(aq) rarr 2 Ag(s)+HCOO^-(aq)+ 4 NH_3(aq)+2 H_2 O(l)' c) 'HCHO(l)+2 Cu^(2+)(aq)+5 OH^-(aq) rarr Cu_2 O(s)+HCOO^-(aq)(+3) H_2 O(l)' d) 'N_2 H_4(l)+2 H_2 O_2(l) rarr N_2(g)+4 H_2 O(l)' e) 'Pb(s)+PbO_2(s)+2)H_2 SO_4(aq) rarr 2 PbSO_4(s)+2 H_2 O(I)'

Identify the substance oxidised substance reduced, oxidising agent, and reducing agent for each of the following reactions: a. 2AgBr(s) + C_(6)H_(6)O_(2)(aq) rarr2Ag(s) + 2HBr(aq) + C_(6)H_(4)O_(2)(aq) b. HCHO(l) + 2[Ag(NH_(3))_(3)]^(o+) + 3 overset(Θ)(OH)(aq) rarr 2Ag(s) + HCOO^(Θ)(aq) + 4NH_(3)(aq) + 2H_(2)O(l) c. HCHO(l)+ 2Cu^(2+)(aq) + 5overset(Θ)(OH) (aq) rarr Cu_(2)O(s)+ HCOO^(Θ)(aq) + 3H_(2)O(l) d. N_(2)H_(4)(l) + 2H_(2)O_(2)(l) rarrN_(2)(g) + 4H_(2)O(l) d. Pb(s) + PbO_(2)(s) + 2H_(2)SO_(4)(aq) rarr 2PbSO_(4)(s)+2H_(2)O(l)

In the reaction : 2Al (s) + 6HCl(aq) to 2Al^(3+) (aq) + 6Cl^(-) (aq) + 3H_2O(g)