मराठी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Below point ‘A’ FeO can ______.

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प्रश्न

Below point ‘A’ \[\ce{FeO}\] can ______.

पर्याय

  • be reduced by carbon monoxide only.

  • be reduced by both carbon monoxide and carbon.

  • be reduced by carbon only.

  • not be reduced by both carbon and carbon monoxide.

MCQ
रिकाम्या जागा भरा
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उत्तर

Below point ‘A’ \[\ce{FeO}\] can be reduced by carbon monoxide only.

Explanation:

Below the point A, Gibbs free energy change for the formation of \[\ce{CO2}\] from \[\ce{CO}\] has lower value than Gibb's free energy change for the formation of \[\ce{FeO}\]. \[\ce{ΔG_{(Fe, FeO)}}\].

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पाठ 6: General Principle and Processes of Isolation of Elements - Multiple Choice Questions (Type - I) [पृष्ठ ८०]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 6 General Principle and Processes of Isolation of Elements
Multiple Choice Questions (Type - I) | Q 12 | पृष्ठ ८०

संबंधित प्रश्‍न

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Write chemical reactions taking place in the extraction of copper from Cu2 S. 


How will you convert the following:
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For the metallurgical process of which of the ores calcined ore can be reduced by carbon?

(i) Haematite

(ii) Calamine

(iii) Iron pyrites

(iv) Sphalerite


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Explain the following:

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Explain the following:

Generally sulphide ores are converted into oxides before reduction.


Explain the following:

Silica is added to the sulphide ore of copper in the reverberatory furnace.


Heating of MgCl2 6H2O in absence of HCl gives ______.


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\[\ce{Au + CN^- + H2O + O2 -> [Au(CN)2]^- + OH^-}\]

The number of CN ions involved in the balanced equation is ______.


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