Quantitative Analysis
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317509 120 of an organic compound that contains only carbon and hydrogen gives \(330 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(270 \mathrm{~g}\) of water on complete combustion. The percentage of carbon and hydrogen, respectively are.

1 25 and 75
2 40 and 60
3 60 and 40
4 75 and 25
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317510 In estimation of percentage of oxygen, the mixture of gaseous products containing oxygen is passed over red-hot coke. All oxygen is converted to gaseous product A . When this mixture is passed through a solution of B , then A is converted to white ppt. C.
What are \(\mathrm{A}, \mathrm{B}\) and C in above statements ?

1 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{KOH}, \mathrm{C}=\) pure \(\mathrm{O}_{2}\)
2 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2} \mathrm{O}_{5}, \mathrm{C}=\mathrm{CO}_{2}\)
3 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2}, \mathrm{C}=\mathrm{CO}_{2}\)
4 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{Ca}(\mathrm{OH})_{2}, \mathrm{C}=\mathrm{CaCO}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317511 \(0.2 \mathrm{~g}\) of an organic compound on complete combustion produces \(0.18 \mathrm{~g}\) of water, then the percentage of hydrogen is

1 5
2 10
3 15
4 20
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317512 An organic compound contains \(69 \%\) carbon and \(4.8 \%\) hydrogen, the remainder being oxygen. Calculate the mass of carbon dioxide and water respectively produced when 0.20 g of this substance is subjected to complete combustion.

1 0.506 g and 0.0864 g
2 0.107 g and 0.0864 g
3 0.0629 g and 0.0874 g
4 0.834 and 0.0879 g
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317513 In the estimation of carbon and hydrogen by combustion method, which of the following is / are correct ?
(I) A spiral of copper is introduced at the right extreme of combustion tube if the organic compound contains nitrogen.
(II) A spiral of silver is introduced if the organic compound contains halogens.
(III) The copper oxide in the combustion tube is replaced lead chromate if the organic compound contains sulphur.

1 (I) and (II) are correct
2 (I) and (II) are correct
3 (II) and (III) are correct
4 All are correct
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317509 120 of an organic compound that contains only carbon and hydrogen gives \(330 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(270 \mathrm{~g}\) of water on complete combustion. The percentage of carbon and hydrogen, respectively are.

1 25 and 75
2 40 and 60
3 60 and 40
4 75 and 25
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317510 In estimation of percentage of oxygen, the mixture of gaseous products containing oxygen is passed over red-hot coke. All oxygen is converted to gaseous product A . When this mixture is passed through a solution of B , then A is converted to white ppt. C.
What are \(\mathrm{A}, \mathrm{B}\) and C in above statements ?

1 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{KOH}, \mathrm{C}=\) pure \(\mathrm{O}_{2}\)
2 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2} \mathrm{O}_{5}, \mathrm{C}=\mathrm{CO}_{2}\)
3 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2}, \mathrm{C}=\mathrm{CO}_{2}\)
4 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{Ca}(\mathrm{OH})_{2}, \mathrm{C}=\mathrm{CaCO}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317511 \(0.2 \mathrm{~g}\) of an organic compound on complete combustion produces \(0.18 \mathrm{~g}\) of water, then the percentage of hydrogen is

1 5
2 10
3 15
4 20
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317512 An organic compound contains \(69 \%\) carbon and \(4.8 \%\) hydrogen, the remainder being oxygen. Calculate the mass of carbon dioxide and water respectively produced when 0.20 g of this substance is subjected to complete combustion.

1 0.506 g and 0.0864 g
2 0.107 g and 0.0864 g
3 0.0629 g and 0.0874 g
4 0.834 and 0.0879 g
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317513 In the estimation of carbon and hydrogen by combustion method, which of the following is / are correct ?
(I) A spiral of copper is introduced at the right extreme of combustion tube if the organic compound contains nitrogen.
(II) A spiral of silver is introduced if the organic compound contains halogens.
(III) The copper oxide in the combustion tube is replaced lead chromate if the organic compound contains sulphur.

1 (I) and (II) are correct
2 (I) and (II) are correct
3 (II) and (III) are correct
4 All are correct
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317509 120 of an organic compound that contains only carbon and hydrogen gives \(330 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(270 \mathrm{~g}\) of water on complete combustion. The percentage of carbon and hydrogen, respectively are.

1 25 and 75
2 40 and 60
3 60 and 40
4 75 and 25
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317510 In estimation of percentage of oxygen, the mixture of gaseous products containing oxygen is passed over red-hot coke. All oxygen is converted to gaseous product A . When this mixture is passed through a solution of B , then A is converted to white ppt. C.
What are \(\mathrm{A}, \mathrm{B}\) and C in above statements ?

1 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{KOH}, \mathrm{C}=\) pure \(\mathrm{O}_{2}\)
2 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2} \mathrm{O}_{5}, \mathrm{C}=\mathrm{CO}_{2}\)
3 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2}, \mathrm{C}=\mathrm{CO}_{2}\)
4 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{Ca}(\mathrm{OH})_{2}, \mathrm{C}=\mathrm{CaCO}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317511 \(0.2 \mathrm{~g}\) of an organic compound on complete combustion produces \(0.18 \mathrm{~g}\) of water, then the percentage of hydrogen is

1 5
2 10
3 15
4 20
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317512 An organic compound contains \(69 \%\) carbon and \(4.8 \%\) hydrogen, the remainder being oxygen. Calculate the mass of carbon dioxide and water respectively produced when 0.20 g of this substance is subjected to complete combustion.

1 0.506 g and 0.0864 g
2 0.107 g and 0.0864 g
3 0.0629 g and 0.0874 g
4 0.834 and 0.0879 g
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317513 In the estimation of carbon and hydrogen by combustion method, which of the following is / are correct ?
(I) A spiral of copper is introduced at the right extreme of combustion tube if the organic compound contains nitrogen.
(II) A spiral of silver is introduced if the organic compound contains halogens.
(III) The copper oxide in the combustion tube is replaced lead chromate if the organic compound contains sulphur.

1 (I) and (II) are correct
2 (I) and (II) are correct
3 (II) and (III) are correct
4 All are correct
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317509 120 of an organic compound that contains only carbon and hydrogen gives \(330 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(270 \mathrm{~g}\) of water on complete combustion. The percentage of carbon and hydrogen, respectively are.

1 25 and 75
2 40 and 60
3 60 and 40
4 75 and 25
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317510 In estimation of percentage of oxygen, the mixture of gaseous products containing oxygen is passed over red-hot coke. All oxygen is converted to gaseous product A . When this mixture is passed through a solution of B , then A is converted to white ppt. C.
What are \(\mathrm{A}, \mathrm{B}\) and C in above statements ?

1 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{KOH}, \mathrm{C}=\) pure \(\mathrm{O}_{2}\)
2 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2} \mathrm{O}_{5}, \mathrm{C}=\mathrm{CO}_{2}\)
3 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2}, \mathrm{C}=\mathrm{CO}_{2}\)
4 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{Ca}(\mathrm{OH})_{2}, \mathrm{C}=\mathrm{CaCO}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317511 \(0.2 \mathrm{~g}\) of an organic compound on complete combustion produces \(0.18 \mathrm{~g}\) of water, then the percentage of hydrogen is

1 5
2 10
3 15
4 20
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317512 An organic compound contains \(69 \%\) carbon and \(4.8 \%\) hydrogen, the remainder being oxygen. Calculate the mass of carbon dioxide and water respectively produced when 0.20 g of this substance is subjected to complete combustion.

1 0.506 g and 0.0864 g
2 0.107 g and 0.0864 g
3 0.0629 g and 0.0874 g
4 0.834 and 0.0879 g
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317513 In the estimation of carbon and hydrogen by combustion method, which of the following is / are correct ?
(I) A spiral of copper is introduced at the right extreme of combustion tube if the organic compound contains nitrogen.
(II) A spiral of silver is introduced if the organic compound contains halogens.
(III) The copper oxide in the combustion tube is replaced lead chromate if the organic compound contains sulphur.

1 (I) and (II) are correct
2 (I) and (II) are correct
3 (II) and (III) are correct
4 All are correct
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317509 120 of an organic compound that contains only carbon and hydrogen gives \(330 \mathrm{~g}\) of \(\mathrm{CO}_{2}\) and \(270 \mathrm{~g}\) of water on complete combustion. The percentage of carbon and hydrogen, respectively are.

1 25 and 75
2 40 and 60
3 60 and 40
4 75 and 25
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317510 In estimation of percentage of oxygen, the mixture of gaseous products containing oxygen is passed over red-hot coke. All oxygen is converted to gaseous product A . When this mixture is passed through a solution of B , then A is converted to white ppt. C.
What are \(\mathrm{A}, \mathrm{B}\) and C in above statements ?

1 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{KOH}, \mathrm{C}=\) pure \(\mathrm{O}_{2}\)
2 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2} \mathrm{O}_{5}, \mathrm{C}=\mathrm{CO}_{2}\)
3 \(\mathrm{A}=\mathrm{CO}, \mathrm{B}=\mathrm{I}_{2}, \mathrm{C}=\mathrm{CO}_{2}\)
4 \(\mathrm{A}=\mathrm{CO}_{2}, \mathrm{~B}=\mathrm{Ca}(\mathrm{OH})_{2}, \mathrm{C}=\mathrm{CaCO}_{3}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317511 \(0.2 \mathrm{~g}\) of an organic compound on complete combustion produces \(0.18 \mathrm{~g}\) of water, then the percentage of hydrogen is

1 5
2 10
3 15
4 20
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317512 An organic compound contains \(69 \%\) carbon and \(4.8 \%\) hydrogen, the remainder being oxygen. Calculate the mass of carbon dioxide and water respectively produced when 0.20 g of this substance is subjected to complete combustion.

1 0.506 g and 0.0864 g
2 0.107 g and 0.0864 g
3 0.0629 g and 0.0874 g
4 0.834 and 0.0879 g
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317513 In the estimation of carbon and hydrogen by combustion method, which of the following is / are correct ?
(I) A spiral of copper is introduced at the right extreme of combustion tube if the organic compound contains nitrogen.
(II) A spiral of silver is introduced if the organic compound contains halogens.
(III) The copper oxide in the combustion tube is replaced lead chromate if the organic compound contains sulphur.

1 (I) and (II) are correct
2 (I) and (II) are correct
3 (II) and (III) are correct
4 All are correct