Periodic Trends and Chemical Reactivity
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313115 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
\(\mathrm{Na}_2 \mathrm{O}\) is an acidic oxide while \(\mathrm{Cl}_2 \mathrm{O}_7\) is a basic oxide.
Reason :
Oxides of metals are generally acidic and oxides of non-metals are generally basic.

1 Both Assertion and Reason are true and the Reason is the correct explanation of the assertion.
2 Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
3 Assertion is true, but Reason is false.
4 Both Assertion and Reason are false.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313116 The oxide of an element whose electronic configuration is \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{1}}}\) is

1 Amphoteric
2 Basic
3 Acidic
4 Neutral
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313117 Which of the following sets contains oxides in the sequence of basic, amphoteric and acidic in nature respectively?

1 \(\mathrm{CaO}, \mathrm{SiO}_{2}, \mathrm{Al}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{CO}_{2}, \mathrm{SiO}_{2}\)
3 \(\mathrm{CO}, \mathrm{SO}_{2}, \mathrm{P}_{2} \mathrm{O}_{5}\)
4 \(\mathrm{BaO}, \mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{SiO}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313118 Which of the following is different from other three oxides ?

1 MgO
2 SnO
3 ZnO
4 PbO
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313115 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
\(\mathrm{Na}_2 \mathrm{O}\) is an acidic oxide while \(\mathrm{Cl}_2 \mathrm{O}_7\) is a basic oxide.
Reason :
Oxides of metals are generally acidic and oxides of non-metals are generally basic.

1 Both Assertion and Reason are true and the Reason is the correct explanation of the assertion.
2 Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
3 Assertion is true, but Reason is false.
4 Both Assertion and Reason are false.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313116 The oxide of an element whose electronic configuration is \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{1}}}\) is

1 Amphoteric
2 Basic
3 Acidic
4 Neutral
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313117 Which of the following sets contains oxides in the sequence of basic, amphoteric and acidic in nature respectively?

1 \(\mathrm{CaO}, \mathrm{SiO}_{2}, \mathrm{Al}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{CO}_{2}, \mathrm{SiO}_{2}\)
3 \(\mathrm{CO}, \mathrm{SO}_{2}, \mathrm{P}_{2} \mathrm{O}_{5}\)
4 \(\mathrm{BaO}, \mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{SiO}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313118 Which of the following is different from other three oxides ?

1 MgO
2 SnO
3 ZnO
4 PbO
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313115 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
\(\mathrm{Na}_2 \mathrm{O}\) is an acidic oxide while \(\mathrm{Cl}_2 \mathrm{O}_7\) is a basic oxide.
Reason :
Oxides of metals are generally acidic and oxides of non-metals are generally basic.

1 Both Assertion and Reason are true and the Reason is the correct explanation of the assertion.
2 Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
3 Assertion is true, but Reason is false.
4 Both Assertion and Reason are false.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313116 The oxide of an element whose electronic configuration is \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{1}}}\) is

1 Amphoteric
2 Basic
3 Acidic
4 Neutral
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313117 Which of the following sets contains oxides in the sequence of basic, amphoteric and acidic in nature respectively?

1 \(\mathrm{CaO}, \mathrm{SiO}_{2}, \mathrm{Al}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{CO}_{2}, \mathrm{SiO}_{2}\)
3 \(\mathrm{CO}, \mathrm{SO}_{2}, \mathrm{P}_{2} \mathrm{O}_{5}\)
4 \(\mathrm{BaO}, \mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{SiO}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313118 Which of the following is different from other three oxides ?

1 MgO
2 SnO
3 ZnO
4 PbO
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313115 Read Assertion and Reason carefully to mark the correct option given below.
Assertion :
\(\mathrm{Na}_2 \mathrm{O}\) is an acidic oxide while \(\mathrm{Cl}_2 \mathrm{O}_7\) is a basic oxide.
Reason :
Oxides of metals are generally acidic and oxides of non-metals are generally basic.

1 Both Assertion and Reason are true and the Reason is the correct explanation of the assertion.
2 Both Assertion and Reason are true, but Reason is not the correct explanation of the Assertion.
3 Assertion is true, but Reason is false.
4 Both Assertion and Reason are false.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313116 The oxide of an element whose electronic configuration is \({\rm{1}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{s}}^{\rm{2}}}\,{\rm{2}}{{\rm{p}}^{\rm{6}}}\,{\rm{3}}{{\rm{s}}^{\rm{1}}}\) is

1 Amphoteric
2 Basic
3 Acidic
4 Neutral
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313117 Which of the following sets contains oxides in the sequence of basic, amphoteric and acidic in nature respectively?

1 \(\mathrm{CaO}, \mathrm{SiO}_{2}, \mathrm{Al}_{2} \mathrm{O}_{3}\)
2 \(\mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{CO}_{2}, \mathrm{SiO}_{2}\)
3 \(\mathrm{CO}, \mathrm{SO}_{2}, \mathrm{P}_{2} \mathrm{O}_{5}\)
4 \(\mathrm{BaO}, \mathrm{Al}_{2} \mathrm{O}_{3}, \mathrm{SiO}_{2}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313118 Which of the following is different from other three oxides ?

1 MgO
2 SnO
3 ZnO
4 PbO