Nitrogen and Its Compounds
CHXI11:THE P-BLOCK ELEMENTS

316746 When copper is heated with conc. \(\mathrm{HNO}_{3}\), it produces

1 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{N}_{2} \mathrm{O}\)
2 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}\)
3 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{NO}\) and \(\mathrm{NO}_{2}\)
4 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316747 Skin becomes yellow in conc. \(\mathrm{HNO}_{3}\) because

1 The proteins are converted into xanthoproteins
2 \(\mathrm{HNO}_{3}\) acts as a dehydrating agent
3 Nitrocellulose is formed
4 \(\mathrm{HNO}_{3}\) acts as an oxidising agent
CHXI11:THE P-BLOCK ELEMENTS

316748 Concentrated nitric acid reacts with iodine to give

1 \(\mathrm{HI}\)
2 \(\mathrm{HOI}\)
3 \(\mathrm{HOIO}_{2}\)
4 \(\mathrm{HOIO}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316749 The mixture of concentrated \(\mathrm{HCl}\) and \(\mathrm{HNO}_{3}\) made in \(3: 1\) ratio contains

1 \(\mathrm{ClO}_{2}\)
2 \(\mathrm{NOCl}\)
3 \(\mathrm{NCl}_{3}\)
4 \(\mathrm{N}_{2} \mathrm{O}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316750 In Birkeland-Eyde process, the raw material used is

1 \(\mathrm{HNO}_{3}\)
2 \(\mathrm{NO}_{2}\)
3 Air
4 \(\mathrm{NH}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316746 When copper is heated with conc. \(\mathrm{HNO}_{3}\), it produces

1 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{N}_{2} \mathrm{O}\)
2 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}\)
3 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{NO}\) and \(\mathrm{NO}_{2}\)
4 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316747 Skin becomes yellow in conc. \(\mathrm{HNO}_{3}\) because

1 The proteins are converted into xanthoproteins
2 \(\mathrm{HNO}_{3}\) acts as a dehydrating agent
3 Nitrocellulose is formed
4 \(\mathrm{HNO}_{3}\) acts as an oxidising agent
CHXI11:THE P-BLOCK ELEMENTS

316748 Concentrated nitric acid reacts with iodine to give

1 \(\mathrm{HI}\)
2 \(\mathrm{HOI}\)
3 \(\mathrm{HOIO}_{2}\)
4 \(\mathrm{HOIO}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316749 The mixture of concentrated \(\mathrm{HCl}\) and \(\mathrm{HNO}_{3}\) made in \(3: 1\) ratio contains

1 \(\mathrm{ClO}_{2}\)
2 \(\mathrm{NOCl}\)
3 \(\mathrm{NCl}_{3}\)
4 \(\mathrm{N}_{2} \mathrm{O}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316750 In Birkeland-Eyde process, the raw material used is

1 \(\mathrm{HNO}_{3}\)
2 \(\mathrm{NO}_{2}\)
3 Air
4 \(\mathrm{NH}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316746 When copper is heated with conc. \(\mathrm{HNO}_{3}\), it produces

1 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{N}_{2} \mathrm{O}\)
2 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}\)
3 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{NO}\) and \(\mathrm{NO}_{2}\)
4 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316747 Skin becomes yellow in conc. \(\mathrm{HNO}_{3}\) because

1 The proteins are converted into xanthoproteins
2 \(\mathrm{HNO}_{3}\) acts as a dehydrating agent
3 Nitrocellulose is formed
4 \(\mathrm{HNO}_{3}\) acts as an oxidising agent
CHXI11:THE P-BLOCK ELEMENTS

316748 Concentrated nitric acid reacts with iodine to give

1 \(\mathrm{HI}\)
2 \(\mathrm{HOI}\)
3 \(\mathrm{HOIO}_{2}\)
4 \(\mathrm{HOIO}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316749 The mixture of concentrated \(\mathrm{HCl}\) and \(\mathrm{HNO}_{3}\) made in \(3: 1\) ratio contains

1 \(\mathrm{ClO}_{2}\)
2 \(\mathrm{NOCl}\)
3 \(\mathrm{NCl}_{3}\)
4 \(\mathrm{N}_{2} \mathrm{O}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316750 In Birkeland-Eyde process, the raw material used is

1 \(\mathrm{HNO}_{3}\)
2 \(\mathrm{NO}_{2}\)
3 Air
4 \(\mathrm{NH}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316746 When copper is heated with conc. \(\mathrm{HNO}_{3}\), it produces

1 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{N}_{2} \mathrm{O}\)
2 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}\)
3 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{NO}\) and \(\mathrm{NO}_{2}\)
4 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316747 Skin becomes yellow in conc. \(\mathrm{HNO}_{3}\) because

1 The proteins are converted into xanthoproteins
2 \(\mathrm{HNO}_{3}\) acts as a dehydrating agent
3 Nitrocellulose is formed
4 \(\mathrm{HNO}_{3}\) acts as an oxidising agent
CHXI11:THE P-BLOCK ELEMENTS

316748 Concentrated nitric acid reacts with iodine to give

1 \(\mathrm{HI}\)
2 \(\mathrm{HOI}\)
3 \(\mathrm{HOIO}_{2}\)
4 \(\mathrm{HOIO}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316749 The mixture of concentrated \(\mathrm{HCl}\) and \(\mathrm{HNO}_{3}\) made in \(3: 1\) ratio contains

1 \(\mathrm{ClO}_{2}\)
2 \(\mathrm{NOCl}\)
3 \(\mathrm{NCl}_{3}\)
4 \(\mathrm{N}_{2} \mathrm{O}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316750 In Birkeland-Eyde process, the raw material used is

1 \(\mathrm{HNO}_{3}\)
2 \(\mathrm{NO}_{2}\)
3 Air
4 \(\mathrm{NH}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316746 When copper is heated with conc. \(\mathrm{HNO}_{3}\), it produces

1 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{N}_{2} \mathrm{O}\)
2 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}\)
3 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}, \mathrm{NO}\) and \(\mathrm{NO}_{2}\)
4 \(\mathrm{Cu}\left(\mathrm{NO}_{3}\right)_{2}\) and \(\mathrm{NO}_{2}\)
CHXI11:THE P-BLOCK ELEMENTS

316747 Skin becomes yellow in conc. \(\mathrm{HNO}_{3}\) because

1 The proteins are converted into xanthoproteins
2 \(\mathrm{HNO}_{3}\) acts as a dehydrating agent
3 Nitrocellulose is formed
4 \(\mathrm{HNO}_{3}\) acts as an oxidising agent
CHXI11:THE P-BLOCK ELEMENTS

316748 Concentrated nitric acid reacts with iodine to give

1 \(\mathrm{HI}\)
2 \(\mathrm{HOI}\)
3 \(\mathrm{HOIO}_{2}\)
4 \(\mathrm{HOIO}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316749 The mixture of concentrated \(\mathrm{HCl}\) and \(\mathrm{HNO}_{3}\) made in \(3: 1\) ratio contains

1 \(\mathrm{ClO}_{2}\)
2 \(\mathrm{NOCl}\)
3 \(\mathrm{NCl}_{3}\)
4 \(\mathrm{N}_{2} \mathrm{O}_{4}\)
CHXI11:THE P-BLOCK ELEMENTS

316750 In Birkeland-Eyde process, the raw material used is

1 \(\mathrm{HNO}_{3}\)
2 \(\mathrm{NO}_{2}\)
3 Air
4 \(\mathrm{NH}_{3}\)