Verified Solution • 2025–26 Session moderate

QJEEM20Ch9613: JEE Main 2020 Chemistry - Class 11 JEEM20Ch9613 Solution: The process that is NOT endothermic in nature is :

The process that is NOT endothermic in nature is :

Multiple Choice Options

  • A Ar(g) + e- → Ar-(g)
  • B H(g) + e- → H-(g)
  • C Na(g) → Na+(g) + e-
  • D O-(g) + e- → O2-(g)

Step-by-Step Verified Solution

H(g) + e- → H-(g) is exothermic

rest of all endothermic process.

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