Answered Feb 05, 2023
An oxidising agent is a substance which gains hydrogen or loses oxygen during a chemical reaction.
A reducing agent is a substance which gains oxygen or loses hydrogen during a chemical reaction.
In sulphur dioxide (SO2), the oxidation number (O.N.) of S is +4 and the range of the O.N. that S can have is from +6 to –2. Therefore, SO2 can act...
(a) Oxidised substance → C6H6O2 Reduced substance → AgBrO xidising agent → AgBr Reducing agent → C6H6O2 (b)Oxidised substance → HCHO Reduced [Ag(NH3)2]+ substance → Oxidising agent → [Ag(NH3)2]+ Reducing agent → HCHO (c) Oxidised substance → HCHO Reduced substance...
PCl5 can only act as an oxidizing agent. The highest oxidation state that P can show is +5. In PCl5, phosphorus is in its highest oxidation state (+5). However, it...
H2S is the reducing agent while SO2 is the oxidising agent.
Substance oxidised: HCl Substance reduced:MnO2 Oxidising agent: MnO2 Reducing agent: HCl
(i) Pb3O4 (ii) O2 (iii) CuSO4 (iv) V2O5 (v) H2O (vi) CuO
Substance oxidised :HCI Substance reduced :MnO2 Oxidising agent :MnO2 Reducing agent :HCI
i. Pb3O4 ii. O2 iii. CuSO4 iv. V2O5 v. H2O vi. CuO
(d) : The bond dissociation energy of F – F bond is very low. The weak F – F bond makes fluorine the strongest oxidising halogen.
(c) : CN– ions act both as reducing agent as well as good complexing agent.
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