it would be obvious to anyone who knows about gunpowder. It reacts well with large soft Lewis bases. When the density of nitric acid is greater than 60%(approx) it helps Aluminium to oxidise than to react with it to form aluminium nitrate. Gold is not chemically inert at all to even mild oxidation if the product cation is coordinated by ligands. How does the addition of oxygen prevent that from happening? Because when aluminium comes into contact with nitric acid, an impervious layer of aluminium oxide is formed. Why does silver nitrate (AgNO3) react with chloride (Cl-), but not chlorate (ClO3-)? I don’t understand because isn’t chlorine supposed to react with silver nitrate? (i) Name a metal for each case: (a) It does not react with cold as well as hot water but reacts with steam. (b) It does not react with any physical state of water. In actual , nitric acid don't reacts with aluminum . (ii) When calcium metal is added to water the gas evolved does not catch fire but the same gas evolved on adding sodium metal to water catches fire. The order of the metals in the reactivity series can be worked out by using these type of reactions. After varying lengths of time precipitates appear as halide ions (produced from reactions of the halogenoalkanes) react with the silver ions present. Silver quickly tarnishes with sulfide. I haven’t been able to find any information about this online. Why … In this case, various halogenoalkanes are treated with a solution of silver nitrate in a mixture of ethanol and water. Download the solution in PDF format for free, by visiting BYJU’S It'll react only when nitric is very dilute . Nothing else is added. When an iron bar is dipped into silver nitrate a coating of dendrite-like silver particles will deposit on the surface of the iron. It mainly depends upon the concentration of the #HNO_3# used. Salt water plus air will tarnish gold. 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