Advertisements
Advertisements
प्रश्न
What do you observe when ferrous sulphate solution is added to an aqueous solution of sodium hydroxide.
Advertisements
उत्तर
When ferrous sulphate solution is added to sodium hydroxide solution, a dirty green ppt. of ferrous hydroxide is formed.
FeSO4 (aq) + 2NaOH (aq) → Fe(OH)2 ↓ + Na2SO4(aq)
APPEARS IN
संबंधित प्रश्न
Give one example each of which illustrates the following characteristics of a chemical reaction:
evolution of a gas
Fill in the blank
When a piece of copper is added to silver nitrate solution, it turns ............in colour.
How will you obtain Magnesium oxide from magnesium.
Also give balanced equations for the reactions
What is meant by the metal reactivity series ? State its importance, (any two points).
Give a balanced equation for the following type of reaction:
A displacement reaction in which a metal above hydrogen in the reactivity series, displaces another metal from the solution of its compound.
Classify the following metals based on their reactivity.
Cu, Zn, Ca, Mg, Fe, Na, Li, Hg
| More reactive | Moderately reactive | Less reactive |
Observe the following diagram and identify the type of reaction and write observation.
Which among the following statements is incorrect for magnesium metal?
An element A reacts with water to form a compound B which is used in white washing. The compound B on heating forms an oxide C which on treatment with water gives back B. Identify A, B and C and give the reactions involved.
An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved.
