Advertisements
Advertisements
प्रश्न
What do you observe when Cl2 is passed through potassium iodide (KI) solution.
Advertisements
उत्तर
If in the solution of KI (Potassium iodide), we pass Chlorine gas (Cl2), then Chlorine will displace iodine from KI, and form Potassium Chloride (KCl), and liberates iodine,
\[\ce{Cl2 (aq) + 2 KI(aq) → 2 KCl (aq) + I2 (aq)}\]
When Iodine gas is passed into starch solution the solution becomes blue-black in colour.
APPEARS IN
संबंधित प्रश्न
Classify the following reaction as combination, decomposition, displacement, precipitation and neutralization. Also balance the equation.
\[\ce{NH3_{(g)} + HCl_{(g)} -> NH4Cl_{(s)}}\]
What is the reaction called when oxidation and reduction take place simultaneously? Explain with one example.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Rusting of iron is a ______ chemical change.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
Electron ______ is complete in each hydrogen in a hydrogen molecule.
Choose the correct option from the bracket and explain the statement giving reason.
(Oxidation, displacement, electrolysis, reduction, zinc, copper, double displacement, decomposition)
The conversion of ferrous sulphate to ferric sulphate is ______ reaction.
Explain,giving one example of the following chemical changes:
Reversible reaction
Complete and balance the following reaction:
NaCl(aq) + AgNO3(aq) →
Complete and balance the following reaction:
\[\ce{NH3 + O2 ->[\Delta]}\]
State the following reaction represent oxidation or reduction.
\[\ce{Cu++->Cu}\]
Write a note on the following:
Curdling of milk
