Advertisements
Advertisements
प्रश्न
Give balanced chemical equations for the following conversions A, B, and C:
Advertisements
उत्तर
A:2Fe + 3Cl2 → 2FerCl3
B:2FeCl3 + 3Zn → 3ZnCl2 + 2Fe
Fe + H2CO3 → FeCO3 + H2 ↑
C: FeCO3 + 2HNO3 → Fe(NO3)2 + H2O+ CO2
APPEARS IN
संबंधित प्रश्न
If the relative molecular mass of A is 90, what is the molecular formula of A?
Concentrated nitric acid oxidizes phosphorous to phosphoric acid according to the following equation :
P + 5HNO3 → H3PO4 + H2O + 5NO2
What mass of nitric acid will be consumed at the same time?
Chlorine, nitrogen, ammonia and sulphur dioxide gases are collected under the same conditions of temperature and pressure.
Copy the following table which gives the volumes of the gases collected, and the number of molecules (X) in 20L of nitrogen.You are to complete the table by giving the number of molecules in th e other gases, in terms of X.
| Gas | Volume(litres) | Number of molecules |
| Chlorine | 10 | |
| Nitrogen | 20 | X |
| Ammonia | 20 | |
| Sulphur dioxide | 5 |
A metal M, forms a volatile chloride containing 65.5% Chlorine. If the density of the chloride relative to hydrogen is 162.5, find the molecular formula of the chloride. [M = 56, Cl = 35.5]
Samples of the gases O2, N2, CO2 and CO under the same conditions of temperature and pressure contain the same number of molecules represented by X. The molecules of Oxygen, occupy V litres and have a mass of 8 g. Under the same conditions of temperature and pressure :
What is the mass of CO2 in g?
Calculate the relative molecular mass of:
Ammonium chloroplatinate (NH4)2 PtCl6
Calculate the relative molecular mass of:
CHCl3
Calculate the relative molecular mass of:
(NH4)2 Cr2O7
The mass of 5.6 litres of a certain gas at S.T.P. is 12 g. What is the relative molecular mass or molar mass of the gas?
Calculate the number of atoms of each kind in 5.3 grams of sodium carbonate.
