Chemistry - Thermochemistry Question with Solution | TestHub
Match Column I with Column II
Column I | Column II |
|---|---|
P) C(s) + O2(g) → CO2(g) | i) Hydrogenation |
Q) KOH(aq) + HNO3(aq) → KNO3(aq) + H2O(l) | ii) Combustion |
R) 1/2N2(g) + 3/2H2(g) → NH3(g) | iii) Process of formation |
S) C2H4(g) + H2(g) → C2H6(g) | iv) Neutralization |
(Column I = Reaction; Column II = Process)
Options:
Answer:
Solution:
P: The complete burning of carbon in excess oxygen to form CO₂ is a combustion reaction (P-ii).
Q: A strong base neutralizing a strong acid to produce salt and water is a neutralization reaction (Q-iv).
R: The formation of 1 mol of NH₃ from its elements in their standard states is the formation reaction of ammonia (R-iii).
S: The addition of H₂ across the double bond of ethene is a hydrogenation reaction (S-i).
Therefore, the correct matching is: P-ii; Q-iv; R-iii; S-i.
