0
Pure zinc is not used to prepare hydrogen gas because it does not react with water to produce hydrogen gas. Instead, zinc reacts with acids like hydrochloric acid to form zinc chloride and release hydrogen gas. This reaction is utilized in the laboratory to produce hydrogen gas.
Add your answer:
Earn +20 pts
What cannot be used with sulphuric acid to prepare zinc sulphate?
Zinc oxide cannot be used with sulphuric acid to prepare zinc sulphate. This is because zinc oxide is insoluble in sulphuric acid, and therefore, it would not react to form zinc sulphate.
Does zinc displace hydrogen from cold water?
Zinc does not displace hydrogen from cold water, as zinc is lower in the reactivity series than hydrogen. However, if zinc is reacted with an acid, such as hydrochloric acid, it will displace hydrogen gas.
What do we get if you mix sulphric acid and zinc?
When sulfuric acid is added to zinc, it reacts to produce hydrogen gas and zinc sulfate. This reaction is often used in the laboratory to generate hydrogen gas.
Which out of carbon dioxide zinc chloride water and hydrogen is not produced from zinc carbonate and dilute hydrochloric?
This is hydrogen.
What is the name of zinc and sulphuric acid?
The name of the reaction between zinc and sulfuric acid is zinc sulfate and hydrogen gas are produced.
Why copper is not used to prepare hydrogen in the laboratory?
Copper is not typically used to prepare hydrogen in the laboratory because it is not reactive enough to displace hydrogen from water or acids. Other metals like zinc or aluminum are more commonly used for this purpose as they have a higher reactivity with water or acids.
What cannot be used with sulphuric acid to prepare zinc sulphate?
Zinc oxide cannot be used with sulphuric acid to prepare zinc sulphate. This is because zinc oxide is insoluble in sulphuric acid, and therefore, it would not react to form zinc sulphate.
How do you prepare zinc sulfate salt strating from acid and metal?
To prepare zinc sulfate salt from acid and metal, first dissolve zinc metal in sulfuric acid to produce zinc sulfate and hydrogen gas. The hydrogen gas will bubble out of the solution, leaving behind zinc sulfate salt dissolved in water. Evaporate the water to obtain solid zinc sulfate salt.
Can zinc be used to make tractor parts?
Pure zinc, very probable: no.
Is zinc a pure substance?
Yes, zinc is a pure substance. It is an element with the chemical symbol Zn and atomic number 30.
What is zinc hydrogen phosphate used for?
Zinc hydrogen phosphate is used in the production of ceramics, pigments, and corrosion inhibitors. It is also used as a flame retardant and in the manufacturing of dental cements.
Zinc and hydrogen chloride react to produce?
Zinc chloride and hydrogen gas are produced when zinc reacts with hydrogen chloride.
Why calcium is not used in the lab preparation of hydrogen?
Calcium is not used in the lab preparation of hydrogen because it reacts with water to form calcium hydroxide and hydrogen gas, making it an inefficient method for producing pure hydrogen. Other methods such as using metals like zinc or aluminum are preferred for lab preparation of hydrogen as they do not form unwanted byproducts.
Why is copper not used to prepare hydrogen by the action of dilute HCL on metal?
Copper is not suitable for preparing hydrogen by the action of dilute HCl because it is less reactive than hydrogen. In a displacement reaction, hydrogen will not be displaced from hydrochloric acid by copper due to its lower reactivity. Other metals that are more reactive than hydrogen, such as zinc or magnesium, are typically used instead.
What does an acid plus zinc produce?
When an acid reacts with zinc, it forms zinc salts and hydrogen gas as a product. This is a common displacement reaction where the zinc displaces hydrogen in the acid to form zinc salts.
Zinc plus hydrochloric acid?
When zinc is added to hydrochloric acid, a chemical reaction occurs in which zinc chloride and hydrogen gas are produced. The balanced equation is: Zn + 2HCl -> ZnCl2 + H2. This reaction is often used to demonstrate the reactivity of metals with acids.
Why do you not use HCl with zinc to prepare oxygen?
Hydrochloric acid (HCl) reacts with zinc to form zinc chloride and hydrogen gas, not oxygen. To prepare oxygen gas, you would typically use a chemical reaction that directly produces oxygen, such as the decomposition of hydrogen peroxide or the thermal decomposition of a metal oxide.
