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Thermodynamics — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryThermodynamics1 Mark
MCQ
Which of the following is an endothermic process?
  • A
    $2\text{H}_2+\text{O}_2\rightarrow2\text{H}_2\text{O};\ \Delta\text{H}=-\text{q}\text{ kJ}$
  • ✓
    $\text{N}_2+\text{O}_2\rightarrow2\text{NO}-\text{Y kJ}$
  • C
    $\text{CH}_4+2\text{O}_2\rightarrow\text{CO}_2+2\text{H}_2\text{O};$
    $\Delta\text{H}=-\text{X kJ mol}^{-1}$
  • D
    $\text{NaOH}+\text{HCl}\rightarrow\text{NaCl}+\text{H}_2\text{O}+\text{Z kJ}$
✓

Answer

Correct option: B.
$\text{N}_2+\text{O}_2\rightarrow2\text{NO}-\text{Y kJ}$
It is an endothermic process as heat is being absorbed.

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