profile-img
Chandan Panigrahi posted an Question
January 02, 2021 • 23:45 pm 30 points
  • IIT JAM
  • Chemistry (CY)

Which one of the following is correct?

1 Answer(s) Answer Now
  • 0 Likes
  • 1 Comments
  • 0 Shares
  • 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.

    eduncle-logo-app

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

    eduncle-logo-app

    why c is the wrong answer?

    eduncle-logo-app

    did you get this ?

    eduncle-logo-app

    tqq 😇

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers