Advertisements
Advertisements
प्रश्न
Balance the following important equation:
K2Cr2O7 + HCl → KCl + CrCl3 + H2O + Cl2
Advertisements
उत्तर
K2Cr2O7 + 14HCl → 2KCl + 2CrCl3 + 7H2O + 3Cl2
APPEARS IN
संबंधित प्रश्न
What information do you get from the following chemical equation:
Zn(s) + 2HCl (dil) → ZnCl2 (aq) + H2(g)
Balance the following equation:
`Fe+ H_2O → Fe_3 O_4+H_2`
Balance the following equation. Also name the products formed.
`N_2 + H_2 → NH_3`
Balance the following equation. Also name the products formed.
`FeCI_2 + CI_2 → Fe CI_3`
Write your observations and name the product when
Zinc reacts with dilute hydrochloric acid.
Balance the following equation:
\[\ce{ZnO + NaOH->Na2ZnO2 + H2O}\]
Balance the following equation:
\[\ce{KHCO3->K2CO3 + H2O + CO2}\]
Balance the following important equation:
FeCl3 + NH4OH → NH4Cl + Fe(OH)3
Write the balanced chemical equations for the following reactions and identify the type of reaction in each case.
- Nitrogen gas is treated with hydrogen gas in the presence of a catalyst at 773 K to form ammonia gas.
- Potassium hydroxide solution is treated with acetic acid to form potassium acetate and water.
- Ethanol is warmed with ethanoic acid to form ethyl acetate in the presence of concentrated H2SO4.
- Ethene is burnt in the presence of oxygen to form carbon dioxide, water and release heat and light.
A substance X, which is an oxide of a group 2 element, is used intensively in the cement industry. This element is present in bones also. On treatment with water it forms a solution which turns red litmus blue. Identify X and also write the chemical reactions involved.
