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

313123 The order in which the following oxides are arranged according to decreasing basic nature is

1 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO}}\)
2 \({\rm{CuO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
3 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
4 \({\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313124 Match the following
Which of the following is correct option ?
Column I
Column II
A
\({\rm{CO}}\)
P
Basic
B
\({\rm{BaO}}\)
Q
Neutral
C
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
R
Acidic
D
\({\rm{C}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{7}}}\)
S
Amphoteric

1 A - Q, B - P, C - S, D - R
2 A - R, B - S, C - P, D - Q
3 A - S, B - R, C - Q, D - P
4 A - P, B - Q, C - R, D - S
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313125 Among the following elements most acidic oxide is given by

1 Al
2 P
3 N
4 Sb
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313126 A, B and C are elements in the 3rd period. Oxide of A is ionic, that of B is amphoteric and of C is a giant molecule. A, B and C will have atomic number in the order

1 A < B < C
2 C < B < A
3 A < C < B
4 B < A < C
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313127 Read the statement A and statement B to mark the correct option given below.
Statement A :
Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement B :
The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

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.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313123 The order in which the following oxides are arranged according to decreasing basic nature is

1 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO}}\)
2 \({\rm{CuO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
3 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
4 \({\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313124 Match the following
Which of the following is correct option ?
Column I
Column II
A
\({\rm{CO}}\)
P
Basic
B
\({\rm{BaO}}\)
Q
Neutral
C
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
R
Acidic
D
\({\rm{C}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{7}}}\)
S
Amphoteric

1 A - Q, B - P, C - S, D - R
2 A - R, B - S, C - P, D - Q
3 A - S, B - R, C - Q, D - P
4 A - P, B - Q, C - R, D - S
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313125 Among the following elements most acidic oxide is given by

1 Al
2 P
3 N
4 Sb
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313126 A, B and C are elements in the 3rd period. Oxide of A is ionic, that of B is amphoteric and of C is a giant molecule. A, B and C will have atomic number in the order

1 A < B < C
2 C < B < A
3 A < C < B
4 B < A < C
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313127 Read the statement A and statement B to mark the correct option given below.
Statement A :
Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement B :
The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

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.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313123 The order in which the following oxides are arranged according to decreasing basic nature is

1 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO}}\)
2 \({\rm{CuO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
3 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
4 \({\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313124 Match the following
Which of the following is correct option ?
Column I
Column II
A
\({\rm{CO}}\)
P
Basic
B
\({\rm{BaO}}\)
Q
Neutral
C
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
R
Acidic
D
\({\rm{C}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{7}}}\)
S
Amphoteric

1 A - Q, B - P, C - S, D - R
2 A - R, B - S, C - P, D - Q
3 A - S, B - R, C - Q, D - P
4 A - P, B - Q, C - R, D - S
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313125 Among the following elements most acidic oxide is given by

1 Al
2 P
3 N
4 Sb
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313126 A, B and C are elements in the 3rd period. Oxide of A is ionic, that of B is amphoteric and of C is a giant molecule. A, B and C will have atomic number in the order

1 A < B < C
2 C < B < A
3 A < C < B
4 B < A < C
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313127 Read the statement A and statement B to mark the correct option given below.
Statement A :
Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement B :
The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

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.
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CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313123 The order in which the following oxides are arranged according to decreasing basic nature is

1 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO}}\)
2 \({\rm{CuO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
3 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
4 \({\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313124 Match the following
Which of the following is correct option ?
Column I
Column II
A
\({\rm{CO}}\)
P
Basic
B
\({\rm{BaO}}\)
Q
Neutral
C
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
R
Acidic
D
\({\rm{C}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{7}}}\)
S
Amphoteric

1 A - Q, B - P, C - S, D - R
2 A - R, B - S, C - P, D - Q
3 A - S, B - R, C - Q, D - P
4 A - P, B - Q, C - R, D - S
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313125 Among the following elements most acidic oxide is given by

1 Al
2 P
3 N
4 Sb
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313126 A, B and C are elements in the 3rd period. Oxide of A is ionic, that of B is amphoteric and of C is a giant molecule. A, B and C will have atomic number in the order

1 A < B < C
2 C < B < A
3 A < C < B
4 B < A < C
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313127 Read the statement A and statement B to mark the correct option given below.
Statement A :
Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement B :
The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

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.
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313123 The order in which the following oxides are arranged according to decreasing basic nature is

1 \({\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO}}\)
2 \({\rm{CuO,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
3 \({\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O,}}\,{\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O}}\)
4 \({\rm{CuO,}}\,{\rm{MgO,}}\,{\rm{N}}{{\rm{a}}_{\rm{2}}}{\rm{O,}}\,{\rm{A}}{{\rm{l}}_{\rm{2}}}{\rm{O}}\)
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313124 Match the following
Which of the following is correct option ?
Column I
Column II
A
\({\rm{CO}}\)
P
Basic
B
\({\rm{BaO}}\)
Q
Neutral
C
\({\rm{A}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{3}}}\)
R
Acidic
D
\({\rm{C}}{{\rm{l}}_{\rm{2}}}{{\rm{O}}_{\rm{7}}}\)
S
Amphoteric

1 A - Q, B - P, C - S, D - R
2 A - R, B - S, C - P, D - Q
3 A - S, B - R, C - Q, D - P
4 A - P, B - Q, C - R, D - S
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313125 Among the following elements most acidic oxide is given by

1 Al
2 P
3 N
4 Sb
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313126 A, B and C are elements in the 3rd period. Oxide of A is ionic, that of B is amphoteric and of C is a giant molecule. A, B and C will have atomic number in the order

1 A < B < C
2 C < B < A
3 A < C < B
4 B < A < C
CHXI03:CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

313127 Read the statement A and statement B to mark the correct option given below.
Statement A :
Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18.
Statement B :
The nature of oxides formed by group 1 elements is basic while that of group 17 elements is acidic.

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.