Oxygen and Its Compounds
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CHXI11:THE P-BLOCK ELEMENTS

316811 Identify amphoteric oxide from the following

1 \(\mathrm{SO}_{3}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316812 Which of the following oxide is amphoteric in nature ?

1 \(\mathrm{Cl}_{2} \mathrm{O}_{7}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316782 Which of the following is incorrect?

1 \(\mathrm{O}_{2}\) is weaker oxidant than \(\mathrm{O}_{3}\)
2 \(\mathrm{O}_{2}\) has small bond length \(\mathrm{O}_{3}\)
3 Both \(\mathrm{O}_{2}\) and \(\mathrm{O}_{3}\) are paramagnetic
4 \(\mathrm{O}_{2}\) is linear and \(\mathrm{O}_{3}\) is angular in shape
CHXI11:THE P-BLOCK ELEMENTS

316783 How is \(\mathrm{O}_{3}\) estimated quantitatively?

1 Iodometry using borate buffer
2 Permanganometry
3 Acid base titration
4 Precipitation
CHXI11:THE P-BLOCK ELEMENTS

316784 Which among the following reactions exhibits the reducing property of ozone?

1 \(\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}\)
2 \(\mathrm{BaO}_{2(\mathrm{~g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2(\mathrm{~g})}\)
3 \(\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\)
4 \(2 \mathrm{KI}_{(\mathrm{aq})}+\mathrm{H}_{2} \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,2{\text{KO}}{{\text{H}}_{({\text{aq}})}} + {{\text{I}}_{2(\;{\text{g}})}} + {{\text{O}}_{2(\;{\text{g}})}}\)
MHTCET - 2021
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CHXI11:THE P-BLOCK ELEMENTS

316811 Identify amphoteric oxide from the following

1 \(\mathrm{SO}_{3}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316812 Which of the following oxide is amphoteric in nature ?

1 \(\mathrm{Cl}_{2} \mathrm{O}_{7}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316782 Which of the following is incorrect?

1 \(\mathrm{O}_{2}\) is weaker oxidant than \(\mathrm{O}_{3}\)
2 \(\mathrm{O}_{2}\) has small bond length \(\mathrm{O}_{3}\)
3 Both \(\mathrm{O}_{2}\) and \(\mathrm{O}_{3}\) are paramagnetic
4 \(\mathrm{O}_{2}\) is linear and \(\mathrm{O}_{3}\) is angular in shape
CHXI11:THE P-BLOCK ELEMENTS

316783 How is \(\mathrm{O}_{3}\) estimated quantitatively?

1 Iodometry using borate buffer
2 Permanganometry
3 Acid base titration
4 Precipitation
CHXI11:THE P-BLOCK ELEMENTS

316784 Which among the following reactions exhibits the reducing property of ozone?

1 \(\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}\)
2 \(\mathrm{BaO}_{2(\mathrm{~g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2(\mathrm{~g})}\)
3 \(\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\)
4 \(2 \mathrm{KI}_{(\mathrm{aq})}+\mathrm{H}_{2} \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,2{\text{KO}}{{\text{H}}_{({\text{aq}})}} + {{\text{I}}_{2(\;{\text{g}})}} + {{\text{O}}_{2(\;{\text{g}})}}\)
MHTCET - 2021
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CHXI11:THE P-BLOCK ELEMENTS

316811 Identify amphoteric oxide from the following

1 \(\mathrm{SO}_{3}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316812 Which of the following oxide is amphoteric in nature ?

1 \(\mathrm{Cl}_{2} \mathrm{O}_{7}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316782 Which of the following is incorrect?

1 \(\mathrm{O}_{2}\) is weaker oxidant than \(\mathrm{O}_{3}\)
2 \(\mathrm{O}_{2}\) has small bond length \(\mathrm{O}_{3}\)
3 Both \(\mathrm{O}_{2}\) and \(\mathrm{O}_{3}\) are paramagnetic
4 \(\mathrm{O}_{2}\) is linear and \(\mathrm{O}_{3}\) is angular in shape
CHXI11:THE P-BLOCK ELEMENTS

316783 How is \(\mathrm{O}_{3}\) estimated quantitatively?

1 Iodometry using borate buffer
2 Permanganometry
3 Acid base titration
4 Precipitation
CHXI11:THE P-BLOCK ELEMENTS

316784 Which among the following reactions exhibits the reducing property of ozone?

1 \(\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}\)
2 \(\mathrm{BaO}_{2(\mathrm{~g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2(\mathrm{~g})}\)
3 \(\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\)
4 \(2 \mathrm{KI}_{(\mathrm{aq})}+\mathrm{H}_{2} \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,2{\text{KO}}{{\text{H}}_{({\text{aq}})}} + {{\text{I}}_{2(\;{\text{g}})}} + {{\text{O}}_{2(\;{\text{g}})}}\)
MHTCET - 2021
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CHXI11:THE P-BLOCK ELEMENTS

316811 Identify amphoteric oxide from the following

1 \(\mathrm{SO}_{3}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316812 Which of the following oxide is amphoteric in nature ?

1 \(\mathrm{Cl}_{2} \mathrm{O}_{7}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316782 Which of the following is incorrect?

1 \(\mathrm{O}_{2}\) is weaker oxidant than \(\mathrm{O}_{3}\)
2 \(\mathrm{O}_{2}\) has small bond length \(\mathrm{O}_{3}\)
3 Both \(\mathrm{O}_{2}\) and \(\mathrm{O}_{3}\) are paramagnetic
4 \(\mathrm{O}_{2}\) is linear and \(\mathrm{O}_{3}\) is angular in shape
CHXI11:THE P-BLOCK ELEMENTS

316783 How is \(\mathrm{O}_{3}\) estimated quantitatively?

1 Iodometry using borate buffer
2 Permanganometry
3 Acid base titration
4 Precipitation
CHXI11:THE P-BLOCK ELEMENTS

316784 Which among the following reactions exhibits the reducing property of ozone?

1 \(\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}\)
2 \(\mathrm{BaO}_{2(\mathrm{~g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2(\mathrm{~g})}\)
3 \(\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\)
4 \(2 \mathrm{KI}_{(\mathrm{aq})}+\mathrm{H}_{2} \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,2{\text{KO}}{{\text{H}}_{({\text{aq}})}} + {{\text{I}}_{2(\;{\text{g}})}} + {{\text{O}}_{2(\;{\text{g}})}}\)
MHTCET - 2021
NEET DIGITAL LIBRARY
CHXI11:THE P-BLOCK ELEMENTS

316811 Identify amphoteric oxide from the following

1 \(\mathrm{SO}_{3}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
MHTCET - 2021
CHXI11:THE P-BLOCK ELEMENTS

316812 Which of the following oxide is amphoteric in nature ?

1 \(\mathrm{Cl}_{2} \mathrm{O}_{7}\)
2 \(\mathrm{Na}_{2} \mathrm{O}\)
3 \(\mathrm{N}_{2} \mathrm{O}\)
4 \(\mathrm{Al}_{2} \mathrm{O}_{3}\)
CHXI11:THE P-BLOCK ELEMENTS

316782 Which of the following is incorrect?

1 \(\mathrm{O}_{2}\) is weaker oxidant than \(\mathrm{O}_{3}\)
2 \(\mathrm{O}_{2}\) has small bond length \(\mathrm{O}_{3}\)
3 Both \(\mathrm{O}_{2}\) and \(\mathrm{O}_{3}\) are paramagnetic
4 \(\mathrm{O}_{2}\) is linear and \(\mathrm{O}_{3}\) is angular in shape
CHXI11:THE P-BLOCK ELEMENTS

316783 How is \(\mathrm{O}_{3}\) estimated quantitatively?

1 Iodometry using borate buffer
2 Permanganometry
3 Acid base titration
4 Precipitation
CHXI11:THE P-BLOCK ELEMENTS

316784 Which among the following reactions exhibits the reducing property of ozone?

1 \(\mathrm{PbS}_{(\mathrm{s})}+4 \mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{PbSO}_{4(\mathrm{~s})}+4 \mathrm{O}_{2(\mathrm{~g})}\)
2 \(\mathrm{BaO}_{2(\mathrm{~g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{BaO}_{(\mathrm{s})}+2 \mathrm{O}_{2(\mathrm{~g})}\)
3 \(\mathrm{NO}_{(\mathrm{g})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\)
4 \(2 \mathrm{KI}_{(\mathrm{aq})}+\mathrm{H}_{2} \mathrm{O}_{(\mathrm{l})}+\mathrm{O}_{3(\mathrm{~g})} \rightarrow\)
\(\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,2{\text{KO}}{{\text{H}}_{({\text{aq}})}} + {{\text{I}}_{2(\;{\text{g}})}} + {{\text{O}}_{2(\;{\text{g}})}}\)
MHTCET - 2021