(i) | When liquid crystallizes into a solid, entropy increases. |
(ii) | When the temperature of a crystalline solid is raised from 0 K to 115 K then entropy increases. |
(iii) | 2 NaHCO3 (s) →Na2CO3 (s) +CO2(g)+H2O(g); Entropy increases. |
(iv) | H2(g)→2H(g) ; Entropy decreases. |
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFor the oxidation of iron,
4Fe(s) + 3O2 (g) → 2Fe2O3 (s)
entropy change is -549.4 JK-1 mol-1 at 298 K.
( for this reaction is )
The reaction is:
1. Spontaneous reaction
2. Non-spontaneous reaction
3. Reaction is an equilibrium
4. Cannot predict
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology