SATHEE: Chemical Thermodynamics Question 233

Chemical Thermodynamics Question 233

Question: Carbon and carbon monoxide burn in oxygen to form carbon dioxide according to the following reactions $C + O_{2} \to C O_{2};, Δ H = - 394, k J, m o l^{- 1}$

$2 C O + O_{2} \to 2 C O_{2};, Δ H = - 569, k J, m o l^{- 1}$ The heat of formation of $1, m o l$ of carbon monoxide is thus [MP PET 1995]

Options:

A) $- 219.0, k J, m o l^{- 1}$

B) $- 109.5, k J, m o l^{- 1}$

C) $- 175.0, k J, m o l^{- 1}$

D) $- 87.5, k J, m o l^{- 1}$

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Answer:

Correct Answer: B

Solution:

$C + O_{2} \to C O_{2} + 394, k J$ . $2 C + 2 O_{2} \to 2 C O_{2} + 788, k J$ -.(i) $2 C O + O_{2} \to 2 C O_{2} + 569, k J$ -.(ii) $2 C O_{2} \to 2 C O + O_{2} - 569, k J$ -..(iii) eq. (i) + eq. (iii) = -109.5 kJ mol-1.

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Chemical Thermodynamics Question 233

Question: Carbon and carbon monoxide burn in oxygen to form carbon dioxide according to the following reactions $C + O_{2} \to C O_{2};, Δ H = - 394, k J, m o l^{- 1}$

Options:

Answer:

Solution:

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Chemical Thermodynamics Question 233

Question: Carbon and carbon monoxide burn in oxygen to form carbon dioxide according to the following reactions C+O2→CO2;,ΔH=−394,kJ,mol−1

Options:

Answer:

Solution:

इंजीनियरिंग की तैयारी

चिकित्सा तैयारी

एनसीईआरटी पुस्तकें और समाधान

महत्वपूर्ण संसाधन

अन्य संसाधन

पाठ्यक्रम

परीक्षा मंच

नमूना मॉक टेस्ट

सदस्यता

एनसीईआरटी व्यायाम वीडियो समाधान

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Question: Carbon and carbon monoxide burn in oxygen to form carbon dioxide according to the following reactions $C + O_{2} \to C O_{2};, Δ H = - 394, k J, m o l^{- 1}$