Write the balanced chemical equation for the following and identify the type of reaction of each case.
a. 2KBr + BaI2→ 2KI + BaBr2
b. ZnCO3 → ZnO + CO2
c. H2 + Cl2 → 2HCl
d. Mg + 2HCl → MgCl2 + H2
a. 2KBr + BaI2 → 2KI + BaBr2 — Double Displacement reaction
b. ZnCO3 → ZnO + CO2 — Decomposition reaction
c. H2 + Cl2 → 2HCl — Combination reaction
d. Mg + 2HCl → MgCl2 + H2 — Displacement reaction.
Related Articles
- The products of chlor-alkali process are:NaCl, Cl2, and H2.H2, Cl2, and NaOHCl2, Na2CO3, and H2ONaOH, CI2, and HCI
- The products of chlor-alkali process are:(a) NaCl, Cl2 , and H2 (b) Cl2 , H2 and NaOH (c) Cl2, Na2CO3 and H2O (d) NaOH, Cl2 and HCl
- Write the balanced chemical equation for the following reaction:Â Â Â Zinc + Silver nitrate -------> Zinc Nitrate + Silver
- Identify the component oxidised in the following reaction:H2S + Cl2 ----> S + 2HClÂ
- (a) Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.(b) Balance the following chemical equation:      MnO2  +  HCl --------> MnCl2  + Cl2  +  H2O
- Calculate the molecular masses of H2, O2, Cl2, C02, CH4, C2H2, NH3, CH3OH.
- Write a balanced chemical equation for the process of photosynthesis giving the physical states of all the substances involved and the conditions of the reaction.
- Which of the following is a combination and which is a displacement reaction?(i) Cl2 + 2KI ----> 2KCl + I2(ii) 2K + Cl2 ----> 2KCl
- 2 g of silver chloride is taken in a china dish and the china dish is placed in sunlight for some time. What will be your observation in this case? Write the chemical reaction involved in the form of a balanced chemical equation. Identify the type of chemical reaction.
- What type of bonds are present in the following molecules? Draw their electron-dot structures.(i)H2Â Â Â (ii)CH4Â Â (iii) Cl2Â Â (iv) O2
- (a) What is chemical equation? Explain with the help of an example. (b) Giving examples, state the difference between balanced and unbalanced chemical equations. (c) Balance the following chemical equations: Â Â Â (i) NH3 -----> N2 + H2 Â Â Â (ii) C + CO2 -----> CO
- Name the product formed when Cl2 and H2 produced during electrolysis of brine are made to combine?
- Complete the following equation :Zn + 2HCl ——> __+ __
- (a) What is a balanced chemical equation? Why should chemical equations be balanced?(b) Aluminium burns in chlorine to form aluminium chloride (AlCl3). Write a balanced chemical equation for this reaction. (c) Potassium metal reacts with water to give potassium hydroxide and hydrogen gas. Write a balanced chemical equation for this reaction.
- 2 g of ferrous sulphate crystals are heated in a dry boiling tube.(a) List any two observations.(b) Name the type of chemical reaction taking place.(c) Write balanced chemical equation for the reaction and name the products formed.
Kickstart Your Career
Get certified by completing the course
Get Started