English

In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant. C+2S⟶CSA2

Advertisements
Advertisements

Question

In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.

\[\ce{C +2S -> CS2}\]

Chemical Equations/Structures
Advertisements

Solution

Carbon with sulphur

\[\ce{C[s] + 2S[s] ->\underset{\text{carbon disulphide}}{CS2[l]}}\]

The solid (products) changes to liquid (reactants) state.

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Language of Chemistry - Exercise

APPEARS IN

RELATED QUESTIONS

The chemical equations are balanced to satisfy one of the following laws in chemical reactions. This law is known as:


When metal X is treated with a dilute acid Y, then a gas Z is evolved which burns readily by making a little explosion.

  1. Name any two metals which can behave like metal X.
  2. Name any two acids which can behave like acid Y.
  3. Name the gas Z.
  4. Is the gas Z lighter than or heavier than air?
  5. Is the reaction between metal X and dilute acid Y exothermic or endothermic?
  6. By taking a specific example of metal X and dilute acid Y, write a balanced chemical equation for the reaction which takes place. Also indicate physical states of all the reactants and products.

Dry raisins were soaked in water for 2 hours, to determine the percentage of water absorbed by raisins. Before final weighing of swollen raisins, the extra water left on the surface of soaked raisins was removed by:


Balance the equation stepwise.

 SO2(g) + H2S(aq) → S(s) + H2O(l) 


What is a chemical equation? Why it is necessary to balance it?


Balance the following equation:

NO2 +H2O → HNO2 + HNO3


\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]

0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.


Write word equation for the following molecular equation:

\[\ce{N2 + 3H2 ⇌[Fe - 450°C][200 atoms] 2NH3 + \triangle}\]

Word equation:
State why [+ Δ] indication is seen after NH3.
State what 200 atmospheres – indicates.
State the function of Fe in the above reaction.


Write a balanced equation for the following word equation:

Calcium hydroxide + Ammonium chloride → Calcium chloride + Water + Ammonia


Writing a chemical reaction in brief by using chemical formulae is called as _______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×