Advertisements
Advertisements
Question
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag
(iii) Cu
(iv) Mg.
Choose the best pair.
Options
i and ii
ii and iii
iii and iv
i and iv
Advertisements
Solution
i and iv
APPEARS IN
RELATED QUESTIONS
Reaction of iron nails with copper sulphate solution is an example of
(a) Combination reaction
(b) Decomposition reaction
(c) Displacement reaction
(d) Double displacement reaction
What type of chemical reaction is represented by the following equation?
\[\ce{A2O3 + 2B -> B2O3 + 2A}\]
Which of the following is a combination and which is a displacement reaction?
- \[\ce{Cl2 + 2KI -> 2KCl + I2}\]
- \[\ce{2K + Cl2 -> 2KCl}\]
What happens when a piece of iron metal is placed in copper sulphate solution? Name the type of reaction involved.
Explain the terms with examples.
Displacement reaction
Select the correct answer for the statement given below:
The displaced product of the displacement reaction of sodium with cold water.
Match the following
Identify the types of reactions.
| REACTION | TYPE |
| NH4OH(aq) + CH3COOH(aq) → CH3COONH4(aq) + H2O(l) | Single Displacement |
| Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s) | Combustion |
| \[\ce{ZnCO3_{(s)} + ->[Heat]ZnO_{(s)} + CO2_{(g)}}\] | Neutralization |
| C2H4(g) + 4O2(g) → 2CO2(g) + 2H2 O(g) + Heat | Thermal decomposition |
\[\ce{Pb + CuCl2 -> PbCl2 + Cu}\]
The above reaction is an example of:
Complete the given chemical equation:
\[\ce{Zn(s) + CuSO4(aq) -> \underline{}\underline{}\underline{}\underline{}\underline{} + \underline{}\underline{}\underline{}\underline{}\underline{}}\]
Name the type of reaction.
The colour of the solution observed after 30 minutes of placing zinc metal in copper sulphate solution is ______.
