Advertisements
Advertisements
प्रश्न
Write word equation for the following molecular equation:
\[\ce{NH3 [g] + HCl [g] ⇌ NH4Cl [s]}\]
Word equation:
State which characteristic is observed in the above reaction.
Give an-example of a similar above characteristic, seen between two other gaseous reactants.
उत्तर
Ammonia + Hydrogen chloride ⇌ ammonium chloride
Indication –
Change of state from gas to solid.
Other example of change of state are:
- 2H2 (g) + O2 (g) → 2H2O (l)
- C (s) + 2S (s) → CS2 (l)
APPEARS IN
संबंधित प्रश्न
Balance the gievn equation:
NaOH + H2SO4 
Na2SO4 + H2O
When hydrogen is passed over copper oxide, copper and steam are formed. Write a balanced equation for this reaction and state which of the chemicals are compounds.
Balance the following equation and add state symbols:
Zn + HCI → ZnCI2 + H2
Is Respiration an endothermic reaction or an exothermic reaction?
Balance the following chemical equation :
FeS + HCl → FeCl2 + H2S
Write the balanced chemical equation of the following reaction.
Potassium permanganate + hydrochloric acid → potassium chloride + manganese chloride + chlorine + water
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – lead [IV] oxide.
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
3CuO + NH3 → 3Cu + 3H2O + N2
Writing a chemical reaction in brief by using chemical formulae is called as _______.
Write scientific reason.
Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.
