मराठी

Balance the following chemical equation: NH3 -> N2 + H2

Advertisements
Advertisements

प्रश्न

Balance the following chemical equation:

\[\ce{NH3 -> N2 + H2}\]

रासायनिक समीकरणे/रचना
Advertisements

उत्तर

\[\ce{2NH3 -> N2 + 3H2}\]

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 1: Chemical Reactions and Equations - Exercise 1 [पृष्ठ २९]

APPEARS IN

लखमीर सिंह Chemistry Part 2 [English] Class 10
पाठ 1 Chemical Reactions and Equations
Exercise 1 | Q 18. (c) (i) | पृष्ठ २९

व्हिडिओ ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्‍न

What is a balanced chemical equation? Why should a chemical equation be balanced?


Translate the following statement into a chemical equation and then balance it.

Hydrogen sulphide gas burns in the air to give water and sulphur dioxide.


Translate the following statement into a chemical equation and then balance it.

Potassium metal reacts with water to give potassium hydroxide and hydrogen gas.


How will you indicate the following effect in a chemical equation?

Exothermic reaction


Give one example of a chemical reaction.


Correct and balance the following equation:

\[\ce{N + H -> NH3}\]


Aluminium burns in chlorine to form aluminium chloride (AlCl3). Write a balanced chemical equation for this reaction.


Which of the following is not an endothermic reaction?


Write word equation for the following skeletal equation:

\[\ce{AgBr -> Ag + Br2}\]


Balance the following equation. Also name the product formed. 

`"NaNO"_3  → "NaNO"_2  + "O"_2`  Name of product (s)


Complete the following equation:

CH2 + H5OH `("Hot Conc." H_2SO_4)/`>


Write down what you understood from the following chemical reaction.

AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)


Write the balanced chemical equation of the following reaction. iron + sulphuric acid → ferrous sulphate + hydrogen.


(a) Give only one suitable chemical test to identify the following gases.

  1. Ammonia
  2. Sulphur dioxide
  3. Hydrogen Chloride
  4. Chlorine
  5. Carbon Dioxide
  6. Oxygen
  7. Hydrogen

(b) Select a basic gas mentioned in Q.1 (a). How is the basic nature suspected?

(c)Select acidic gases from the gases mentioned in Q.1 (a). How is the acidic nature suspected?

(d) State the gas responsible for bleaching action.

(e)Which gas turn blue cobalt chloride paper light pink?

 


1 g of copper powder was taken in a China dish and heated. What change takes place on heating? When hydrogen gas is passed over this heated substance, a visible change is seen in it. Give the chemical equations of reactions, the name and the color of the products formed in each case.


In certain reaction an insoluble solid called precipitate is formed. State the colour and name of the precipitate formed in the following reaction involving addition of:

Dilute hydrochloric acid to silver nitrate.


Representation of the results of a chemical change – is a chemical equation.

For the equation: FeCl3 + 3NH4OH 3NH4Cl + Fe(OH)3 ↓

Answer the following:

What is the indications of the arrow between the reactants and the products and of the arrow pointing downwards at the end.


Write a balanced equation for the following word equation:

Potassium bromide + Chlorine → Potassium chloride + Bromine


Give a balanced equation by partial equation method, [steps are given below].

The reaction of excess ammonia with chlorine – Ammonia as a reducing agent

  1. Ammonia first reacts with chlorine to give hydrogen chloride and nitrogen.
  2. Hydrogen chloride then further reacts with excess ammonia to give ammonium chloride.

Write the skeleton equation for the following word equation and then balance them.

  1. Carbon + Oxygen → Carbon dioxide.
  2. Phosphorus + Chlorine → Phosphorus pentachloride.
  3. Sulphur + Oxygen → Sulphur dioxide.
  4. Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×