The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹

The Combustion Enthalpies Of Carbon Hydrogen And Methane Are Chemistry Question

The combustion enthalpies of carbon , hydrogen and methane are -395.5 kJ mol⁻¹,-284.8 kJ mol⁻¹ and -890.4 kJ mol⁻¹ respectively at 25⁰ C. The value of standard formation enthalpies of methane at that temperature is

Options

(a) 890.4 kJ mol⁻¹
(b) -298.8 kJ mol⁻¹
(c) -74.7 kJ mol⁻¹
(d) -107.7 kJ mol⁻¹

Correct Answer:

-74.7 kJ mol⁻¹

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

Related Questions:

  1. By which of the following processes permanent hardness of water can be removed
  2. How much quick lime can be obtained from 25g of CaCO₃?
  3. Grignard reagent is prepared by the reaction between
  4. What is the value of electron gain enthalpy of Na+ if IE₁ of Na =5.1 eV ?
  5. Which one of the following statements is incorrect with regard to ortho and para

Topics: Thermodynamics (179)
Subject: Chemistry (2512)

Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score

18000+ students are using NEETLab to improve their score. What about you?

Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*