HCl is added to lead nitrate solution and heated, it forms a white precipitate of lead chloride. It cannot displace hydrogen from dilute hydrochloric acid. iv. Pb(NO 3 ) 2 + 2HCl → PbCl 2 + 2HNO 3 It reacts with hydrochloric acid vigorously/ explosively forming hydrogen gas along with the release of large amount of heat. ... Write an equation for the reaction that takes place in the gas jar. Some bubbles of a gas are seen, when lead (Pb) […] Answers. Place about 5cm depth of the acid in each of the five test tubes; Place a small piece of each of the three metals above. In contrast, when lead is combined with hydrochloric acid, the reaction occurs very slowly. Note that lead should react easily with dilute acids since it is higher than hydrogen in the Reactivity Series. Lead appears not to react with dilute hydrochloric acid and dilute sulphuric acid. Lead would react with Hydrochloric acid to produce Lead chloride and Hydrogen gas. This layer is insoluble in water and quickly forms a coating around the metal. iii. ii. A balanced equation for the reaction would be... Pb(s) + HCl(aq) → H2(g) + PbCl2(aq) therefore, the further reaction is … Aim: To examine the reactivity of metals with dilute hydrochloric acid Materials: 5 test tubes, dilute hydrochloric acid, magnesium, zinc, iron, lead, copper Method. The more bubbles appear, the faster the gas escapes the mixture. Magnesium reacts very quickly when added to hydrochloric acid. Sodium is highly reactive metal. Pb(NO3)2 + 2HCl → 2HNO3 + PbCl2 This reaction forms Nitric acid and Lead (II) Chloride. During the reaction of some metals with dilute hydrochloric acid, following observations were made: Silver metal does not show any change. So the first reaction would only proceed to the second reaction under harsher conditions, heat and more concentrated acid. Q. Thus, temperature of the reaction mixture rises. This would be a double replacement reaction. The Wikipedia Lead Dioxide article is saying that in dilute nitric acid the first reaction occurs, while in warm nitric acid the second reaction occurs. Dilute Hydrochloric acid is added to Lead nitrate Solution and the mixture is heated. This is because a layer of lead (II) chloride or lead (II) sulphate is formed from the initial reaction between the lead and the dilute acid. I assume that it is lead (II) nitrate. When dil. When lead (II) carbonate reacts with dilute hydrochloric acid, very little carbon (iv) oxide is produced.Explain . The reaction of sodium metal is found to be highly explosive. The aggressiveness of the reaction is measured by the amount of time it takes for gas to escape the solution. Though lead is above hydrogen in the activity series, it does not react with dilute hydrochloric acid or dilutes sulphuric acid. 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