Statements:
A) H$_2$S burns in air to give H$_2$O and SO$_2$
B) The decomposition of Ferrous Sulphate into Fe$_2$O$_3$, SO$_2$ and SO$_3$ occurs in the presence of heat.
Analyzing Statement A: H2S Combustion
Statement A discusses the combustion of Hydrogen Sulfide (H2S) in air. Combustion typically involves reacting a substance with oxygen (O2). When H2S burns in air, it reacts with oxygen to produce water (H2O) and Sulfur Dioxide (SO2).
The balanced chemical equation for this reaction is:
$ 2H_2S(g) + 3O_2(g) \rightarrow 2H_2O(l) + 2SO_2(g) $
Therefore, Statement A is true.
Analyzing Statement B: Ferrous Sulphate Decomposition
Statement B concerns the thermal decomposition of Ferrous Sulphate (FeSO4). When Ferrous Sulphate is heated strongly, it decomposes to form Iron(III) oxide (Fe2O3), Sulfur Dioxide (SO2), and Sulfur Trioxide (SO3).
The balanced chemical equation for this decomposition is:
$ 2FeSO_4(s) \xrightarrow{\Delta} Fe_2O_3(s) + SO_2(g) + SO_3(g) $
This process requires heat, confirming the condition mentioned in the statement. Therefore, Statement B is true.
Conclusion on Statements
Based on the analysis:
- Statement A is true.
- Statement B is true.
Thus, both statements A and B are true.
Similar Questions
Which type of chemical reaction involves the exchange of ions between the reactants?
- If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?
- Which of the following is NOT an example of combination reaction?
- An element A forms an oxide with the formula A 3 O 4 . What is the valency of element A?
Which of the following is NOT a double displacement reaction?
Which of the following is NOT true for the reaction of Calcium with water?
- What is the compound formed when Ag+ and Cl- combine?
Which of the following statemnets is INCORRECT about sodium carbonate?
Which of the following is obtained upon heating ferrous sulphate?
According to the law of constant proportion , what will be the correct ratio of obtained oxygen and hydrogen ( O : H ) after decomposition of 18 g water ?
Important Questions from Chemical Reaction
Which of the following statement is/are true?
I. In physical change new substance is formed. substance is formed.
II. In chemical change no new substance is formed.
Which of the following cells involves similar chemical reactions?
The information not obtained from balanced chemical equation is
Oxygen cannot be obtained by which one of the following methods?
Which of the following statement is correct?
I. Insoluble salt is obtained by precipitation reaction.
II. Addition of oxygen or loss of hydrogen is called oxidation.
