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Thermodynamics question

2024 · Q119
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Thermodynamics question

2024 · Q119

NEETChemistryThermodynamicsMCQ+4 / −1

In which of the following processes entropy increases?

A. A liquid evaporates to vapour.

B. Temperature of a crystalline solid lowered from 130 K130 \mathrm{~K}130 K to 0 K0 \mathrm{~K}0 K.

C. 2NaHCO3( s)→Na2CO3( s)+CO2( g)+H2O(g)2 \mathrm{NaHCO}_{3(\mathrm{~s})} \rightarrow \mathrm{Na}_2 \mathrm{CO}_{3(\mathrm{~s})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}2NaHCO3( s)​→Na2​CO3( s)​+CO2( g)​+H2​O(g)​

D. Cl2(g)→2Cl(g)\mathrm{Cl}_{2(g)} \rightarrow 2 \mathrm{Cl}_{(g)}Cl2(g)​→2Cl(g)​

Choose the correct answer from the options given below:

  1. A
    A and C
  2. B
    A, B and D
  3. C
    A, C and D
  4. D
    C and D
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