Question

write down the chemical reaction of hydrochloride acid of the following compound:
I) Magnesium oxide
ii) Kaustic soda
iii) Aluminium hydroxide
iv) Manganese dioxide
v) Potassium discromate​

Answer 1

Answer: MgO+2HCl→MgCl2+H2O

Explanation: MgO+2HCl→MgCl2+H2O

Answer 2

Answer:-

Hydrochloride:

Hydrogen chloride may be formed by the direct combination of chlorine (Cl2) gas and hydrogen (H2) gas; the reaction is rapid at temperatures above 250 °C (482 °F). The reaction, represented by the equation H2 + Cl2 → 2HCl, is accompanied by evolution of heat and appears to be accelerated by moisture.

Magnesium oxide :
Magnesium reacts with oxygen to produce magnesium oxide. Write the balanced chemical equation for this reaction.
...
Example.
Step Result
1 magnesium + oxygen → magnesium oxide
2 Mg + O 2 → MgO
3 reactants: 1 × Mg, 2 × O products: 1 × Mg, 1 × O Not balanced.
4 Mg + O 2 → 2MgO

Kaustuc soda :
chemical formulae of caustic soda is NaOH and chemical name is sodium hydroxide.It is prepared by electrolyting aqueous solution of sodium chloride (NaCl)and then NaOH,H2,Cl2 is produced. The reaction is as follows: 2H20 + 2NaCl -------> 2NaOH + H2 + Cl2.

Aluminium hydroxide:

Aluminium hydroxide is amphoteric. In acid, it acts as a Brønsted–Lowry base. It neutralizes the acid, yielding a salt: 3 HCl + Al(OH)3 → AlCl3 + 3 H2O.

Magenesium oxide:
Magnesium reacts with oxygen to produce magnesium oxide. Write the balanced chemical equation for this reaction.
...
Example.
Step Result
1 magnesium + oxygen → magnesium oxide
2 Mg + O 2 → MgO
3 reactants: 1 × Mg, 2 × O products: 1 × Mg, 1 × O Not balanced.
4 Mg + O 2 → 2MgO

Potassium discromate:

Reactions. Potassium dichromate is an oxidising agent in organic chemistry, and is milder than potassium permanganate. It is used to oxidize alcohols. It converts primary alcohols into aldehydes and, under more forcing conditions, into carboxylic acids.

Short answer
1)H2+Cl2

2)Mg+O2

3)2NaOH+H2+Cl2

4)Mg+O2

5)K+P-e


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