WebMar 30, 2024 · Metals to the left of hydrogen in the electrochemical series react with hydrochloric acid. These elements include lithium, potassium, calcium, sodium, magnesium, aluminum, zinc, iron and lead. Metals to the right of hydrogen in the electrochemical series, such as copper, silver and gold, do not react. Metals to the left of … WebHowever, lead does not show much evidence of reaction with dilute hydrochloric acid or sulphuric acid. Give reason(s) for this exception. (2) 5.3 The action of strong alkali on zinc and aluminum produces hydrogen. Provide a balanced reaction equation for the reaction between aluminum and sodium hydroxide. 5.4 What is the working principle of ...
What Reaction Occurs When Hydrochloric Acid and Zinc Are ...
WebSolution. Verified by Toppr. When zinc reacts with HCl the following reaction takes place :-. 2HCl+Zn→ZnCl 2+H 2. Hydrogen gas is evolved with the formation of the corresponding … WebAnswer (1 of 2): I think most, if not all, reactions that occur ‘spontaneously’ will be exothermic. Some require ‘activation energy’ to get started, like the burning of wood or paper. Chemical energy is converted into heat, in correspondence with the 2nd law of thermodynamics. Ultimately, all ene... html video tag youtube
Why does zinc displace copper from copper sulphate? - Quora
WebOct 12, 2024 · Yes, zinc dissolves in hydrochloric acid by chemical reaction. Zinc being an active metal readily reacts with HCl acid at room temperature liberating bubbles of hydrogen gas. The other product is the salt zinc chloride, which is highly soluble in water. Zn (s) + 2HCl (aq) = ZnCl2 (aq) + H2 (g) WebMar 21, 2024 · The two elements, hydrochloric acid (Zinc) and (HCl), can react one and release hydrogen gas and zinc chloride. It is a single displacement process that’s … WebJan 23, 2024 · Because the chloride ion is a weaker nucleophile than bromide or iodide ions, hydrogen chloride does not react with primary or secondary alcohols unless zinc … html video player youtube