Advertisements
Advertisements
Question
Considering the relationship in the first pair, complete the second paie :
AgCI : White :: CuI2 : ___________
Advertisements
Solution
AgCI : White :: CuI2 : Brown
APPEARS IN
RELATED QUESTIONS
Translate the following statement into chemical equation and then balance it.
Barium chloride reacts with aluminium sulphate to give aluminium chloride and a precipitate of barium sulphate.
Find the odd man out:
Turmeric, Methyl Orange, Rose petals, Beetroot.
What is wrong with the following chemical equation?
Mg + O → MgO
Correct and balance it.
How will you indicate Exothermic reaction in a chemical equation?
Complete and balance the following equation:
CA (OH)2 + .............
CaCO3 + H2O
Write complete balanced equation for the following reaction:
Sulphur dioxide (gas) + Oxgyen (gas)
Sulphur trioxide (gas)
Write balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.
Aluminium burns in chlorine to form aluminium chloride (AlCl3). Write a balanced chemical equation for this reaction.
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
Give one example of a chemical reaction characterised by change in state.
One of the following is an exothermic reaction. This is:
(a) electrolysis of water
(b) conversion of limestone into quicklime
(c) process of respiration
(d) process of photosynthesis
When the solution of substance X is added to a solution of potassium iodide, then a yellow solid separates out from the solution.
(a) What do you think substance X is likely to be?
(b) Name the substance which the yellow solid consists of.
(c) Which characteristic of chemical reaction is illustrated by this example?
(d) Write a balanced chemical equation for the reaction which takes place. Mention the physical states of all the reactant and products involved in the chemical equation.
When metal X is treated with a dilute acid Y, then a gas Z is evolved which burns readily by making a little explosion.
(a) Name any two metals which can behave like metal X.
(b) Name any two acids which can behave like acid Y.
(c) Name the gas Z.
(d) Is the gas Z lighter than or heavier than air?
(e) Is the reaction between metal X and dilute acid Y, exothermic or endothermic?
(f) 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.
The removal of oxygen from a substance is called:
(a) oxidation
(b) corrosion
(c) reduction
(d) rancidity
Write word equation for the following skeletal equation:
\[\ce{AgBr -> Ag + Br2}\]
Balance the following equation. Also name the product formed.
CO2 + C → CO
Balance the following equation. Also name the product formed.
PbCO3 → PbO +CO2
Write down what you understood from the following chemical reaction.
AgNO3(aq) + NaCI(aq) → AgCI ↓ + NaNO3(aq)
Balance the following equation:
Zn + KOH → K2ZnO2 + H2
Balance the following equation:
Fe2O3 + CO → Fe + CO2
Balance the following equation:
NaHCO3 → Na2CO3 + H2O + CO2
What information does the following chemical equation convey?
Zn + H2SO4 → ZnSO4+ H2
Name the fundamental law that is involved in every equation.
Write the balanced chemical equations of the following reactions.
chlorine + sulphur dioxide + water → sulphuric acid + hydrogen chloride
Write the balanced chemical equation of the following reaction.
ammonia + oxygen → nitric oxide + water
Write the balanced chemical equation of the following reaction.
aluminium + sodium hydroxide + water → sodium meta aluminate + hydrogen
Write the balanced chemical equation of the following reaction.
potassium dichromate + hydrochloric acid → Potassium chloride + chromium chloride + water + chlorine
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate the mass of salt formed.
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of acid required.
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.
Write word equation for the following molecular equation:
\[\ce{CuSO4 + 2NaOH -> Na2SO4 + Cu(OH)2↓}\]
Word equation:
State the colour of the products.
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:
Iron [II] sulphate to sodium hydroxide.
Give word equation for the following chemical reaction and give the names of the product formed.
Zn + S → ZnS
Balance the following simple equation:
Mg + N2 → Mg3N2
Balance the following simple equation:
NaOH + Cl2 → NaCl + NaClO + H2O
Balance the following simple equation:
Mg + CO2 → MgO + C
Write a balanced equation for the following word equation:
Potassium nitrate → Potassium nitrite + Oxygen
Underline the compound in the equation given below, it is incorrectly balanced and write the correct balancing for the same.
PbO2 +4HCl → PbCl2 + H2O + Cl2
The following reaction is an example of a `4"NH"_3("g") + "SO"_2 -> 4"NO"("g") + 6"H"_2"O"("g")`
- displacement reaction
- combination reaction
- redox reaction
- neutralisation reaction
