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Chandan Panigrahi posted an Question
January 03, 2021 • 05:15 am 30 points
  • IIT JAM
  • Chemistry (CY)

Which one of the following is correct?

1 Answer(s) Answer Now
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  • Suman Kumar Best Answer

    option B is correct. The standard enthalpy of formation or standard heat of formation of a compound is the change of enthalpy during the formation of 1 mole of the substance from its constituent elements, with all substances in their standard states.

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    C(graphite) should be there for ist reaction & for 3rd 1 mole of NH3 should be formed. for 4th CO is not a element

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    why c is the wrong answer?

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    did you get this ?

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    tqq 😇

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