SELECT * FROM question_mgmt as q WHERE id=3246 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=2 AND subId=9 AND chapterId=49 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 11th chemistry Redox Reactions suggest a list of the substances where carbon can

Question:

Suggest a list of the substances where carbon can exhibit oxidation states from -4 to +4 and nitrogen from -3 to +5.

Answer:

The substances where carbon can exhibit oxidation states from -4 to +4 are listed below:

 Substance  Formula  Oxidation State of (C)
 Methan   CH4   -4
 Ethane   C2H6   -3
 Ethene   C2H4   -2
 Ethyne   C2H2   -1
 Dichloromethane   CH2Cl2    0
 Chloroform   CHCl3   +2
 Oxalic Acid   (COOH)2   +3
 Carbon TetraChloride   CCl4   +4
 Carbon dioxide   CO2   +4

 

The substances where nitrogen can exhibit oxidation states from -3 to +5 are listed below:

 Substance  Formula  Oxidation State of Nitrogen
 Ammonia  NH3   -3
 Hydrazine  N2H4   -2
 Hydride  N2H2   -1
 Dinitrogen Gas  N2    0
 Nitrous Oxide  N2O   +1
 Nitric Oxide  NO   +2
 Dinitrogen Trioxide  N2O3   +3
 Dinitrogen Dioxide  NO2   +4
 Nitrogen Pentroxide  N2O5   +5

 


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SELECT ex_no,question,question_no,id,chapter FROM question_mgmt as q WHERE courseId='2' AND subId='9' AND ex_no!=0 AND status=1 and id!=3246 ORDER BY last_viewed_on desc limit 0,10

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