Quantitative Analysis
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317527 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Kjeldahl method is applicable to estimate nitrogen in pyridine.
Statement B :
The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317528 In Kjeldahl's method for estimation of nitrogen, \({\mathrm{\mathrm{CuSO}_{4}}}\) acts as

1 reducing agent
2 hydrolysis agent
3 catalytic agent
4 oxidising agent.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317529 In Kjeldahl's method, the nitrogen present in the organic compound is converted into

1 gaseous ammonia
2 ammonium sulphate
3 ammonium phosphate
4 ammonium nitrate
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317530 \(1.4 \mathrm{~kg}\) of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in \(60 \mathrm{~mL}\) of of \({\rm{M/10}}\,\,{{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\) solution. The excess sulphuric acid required \({\rm{20}}\,\,{\rm{mL}}\,\,{\rm{of}}\,\,{\rm{M/10}}\,\,{\rm{NaOH}}\) solution for neutralisation. The percentage of nitrogen in the compound is:

1 10
2 3
3 24
4 5
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317527 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Kjeldahl method is applicable to estimate nitrogen in pyridine.
Statement B :
The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317528 In Kjeldahl's method for estimation of nitrogen, \({\mathrm{\mathrm{CuSO}_{4}}}\) acts as

1 reducing agent
2 hydrolysis agent
3 catalytic agent
4 oxidising agent.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317529 In Kjeldahl's method, the nitrogen present in the organic compound is converted into

1 gaseous ammonia
2 ammonium sulphate
3 ammonium phosphate
4 ammonium nitrate
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317530 \(1.4 \mathrm{~kg}\) of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in \(60 \mathrm{~mL}\) of of \({\rm{M/10}}\,\,{{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\) solution. The excess sulphuric acid required \({\rm{20}}\,\,{\rm{mL}}\,\,{\rm{of}}\,\,{\rm{M/10}}\,\,{\rm{NaOH}}\) solution for neutralisation. The percentage of nitrogen in the compound is:

1 10
2 3
3 24
4 5
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317527 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Kjeldahl method is applicable to estimate nitrogen in pyridine.
Statement B :
The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317528 In Kjeldahl's method for estimation of nitrogen, \({\mathrm{\mathrm{CuSO}_{4}}}\) acts as

1 reducing agent
2 hydrolysis agent
3 catalytic agent
4 oxidising agent.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317529 In Kjeldahl's method, the nitrogen present in the organic compound is converted into

1 gaseous ammonia
2 ammonium sulphate
3 ammonium phosphate
4 ammonium nitrate
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317530 \(1.4 \mathrm{~kg}\) of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in \(60 \mathrm{~mL}\) of of \({\rm{M/10}}\,\,{{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\) solution. The excess sulphuric acid required \({\rm{20}}\,\,{\rm{mL}}\,\,{\rm{of}}\,\,{\rm{M/10}}\,\,{\rm{NaOH}}\) solution for neutralisation. The percentage of nitrogen in the compound is:

1 10
2 3
3 24
4 5
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317527 Read the Statement - A and Statement - B carefully to mark the correct options given below
Statement A :
Kjeldahl method is applicable to estimate nitrogen in pyridine.
Statement B :
The nitrogen present in pyridine can easily be converted into ammonium sulphate in Kjeldahl method.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317528 In Kjeldahl's method for estimation of nitrogen, \({\mathrm{\mathrm{CuSO}_{4}}}\) acts as

1 reducing agent
2 hydrolysis agent
3 catalytic agent
4 oxidising agent.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317529 In Kjeldahl's method, the nitrogen present in the organic compound is converted into

1 gaseous ammonia
2 ammonium sulphate
3 ammonium phosphate
4 ammonium nitrate
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317530 \(1.4 \mathrm{~kg}\) of an organic compound was digested according to Kjeldahl's method and the ammonia evolved was absorbed in \(60 \mathrm{~mL}\) of of \({\rm{M/10}}\,\,{{\rm{H}}_{\rm{2}}}{\rm{S}}{{\rm{O}}_{\rm{4}}}\) solution. The excess sulphuric acid required \({\rm{20}}\,\,{\rm{mL}}\,\,{\rm{of}}\,\,{\rm{M/10}}\,\,{\rm{NaOH}}\) solution for neutralisation. The percentage of nitrogen in the compound is:

1 10
2 3
3 24
4 5