Anomalous Properties of Lithium
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CHXI10:THE S-BLOCK ELEMENTS

315738 Why lithium react less vigorusly with water than other alkali metals?

1 Lithium has most negative \(E^{\circ}\) value
2 Lithium has small size and very high hydration energy
3 Lithium has least negative \(E^{\circ}\) values
4 Both (1) and (2)
CHXI10:THE S-BLOCK ELEMENTS

315739 Which of the following statements are correct?
(A) Both \(\mathrm{LiCl}\) and \(\mathrm{MgCl}_{2}\) are soluble in ethanol.
(B) The oxides \(\mathrm{Li}_{2} \mathrm{O}\) and \(\mathrm{MgO}\) combine with excess of oxygen to give superoxide.
(C) \(\mathrm{LiF}\) is less soluble in water than other alkali metal fluorides.
(D) \(\mathrm{Li}_{2} \mathrm{O}\) is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below:

1 (A) and (C) only
2 (A), (C) and (D) only
3 (B) and (C) only
4 (A) and (D) only
JEE - 2022
CHXI10:THE S-BLOCK ELEMENTS

315740 Which of the following is most stable?

1 \(\mathrm{Na}_{3} \mathrm{~N}\)
2 \(\mathrm{Li}_{3} \mathrm{~N}\)
3 \(\mathrm{K}_{3} \mathrm{~N}\)
4 \(\mathrm{Rb}_{3} \mathrm{~N}\)
CHXI10:THE S-BLOCK ELEMENTS

315741 Li does not resemble other alkali metals in following properties

1 \(\mathrm{Li}_{2} \mathrm{CO}_{3}\) decomposes into oxides while other alkali carbonates are thermally stable
2 \(\mathrm{LiCl}\) is predominantly covalent
3 \(\mathrm{Li}_{3} \mathrm{~N}\) is stable
4 All
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CHXI10:THE S-BLOCK ELEMENTS

315738 Why lithium react less vigorusly with water than other alkali metals?

1 Lithium has most negative \(E^{\circ}\) value
2 Lithium has small size and very high hydration energy
3 Lithium has least negative \(E^{\circ}\) values
4 Both (1) and (2)
CHXI10:THE S-BLOCK ELEMENTS

315739 Which of the following statements are correct?
(A) Both \(\mathrm{LiCl}\) and \(\mathrm{MgCl}_{2}\) are soluble in ethanol.
(B) The oxides \(\mathrm{Li}_{2} \mathrm{O}\) and \(\mathrm{MgO}\) combine with excess of oxygen to give superoxide.
(C) \(\mathrm{LiF}\) is less soluble in water than other alkali metal fluorides.
(D) \(\mathrm{Li}_{2} \mathrm{O}\) is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below:

1 (A) and (C) only
2 (A), (C) and (D) only
3 (B) and (C) only
4 (A) and (D) only
JEE - 2022
CHXI10:THE S-BLOCK ELEMENTS

315740 Which of the following is most stable?

1 \(\mathrm{Na}_{3} \mathrm{~N}\)
2 \(\mathrm{Li}_{3} \mathrm{~N}\)
3 \(\mathrm{K}_{3} \mathrm{~N}\)
4 \(\mathrm{Rb}_{3} \mathrm{~N}\)
CHXI10:THE S-BLOCK ELEMENTS

315741 Li does not resemble other alkali metals in following properties

1 \(\mathrm{Li}_{2} \mathrm{CO}_{3}\) decomposes into oxides while other alkali carbonates are thermally stable
2 \(\mathrm{LiCl}\) is predominantly covalent
3 \(\mathrm{Li}_{3} \mathrm{~N}\) is stable
4 All
NEET DIGITAL LIBRARY
CHXI10:THE S-BLOCK ELEMENTS

315738 Why lithium react less vigorusly with water than other alkali metals?

1 Lithium has most negative \(E^{\circ}\) value
2 Lithium has small size and very high hydration energy
3 Lithium has least negative \(E^{\circ}\) values
4 Both (1) and (2)
CHXI10:THE S-BLOCK ELEMENTS

315739 Which of the following statements are correct?
(A) Both \(\mathrm{LiCl}\) and \(\mathrm{MgCl}_{2}\) are soluble in ethanol.
(B) The oxides \(\mathrm{Li}_{2} \mathrm{O}\) and \(\mathrm{MgO}\) combine with excess of oxygen to give superoxide.
(C) \(\mathrm{LiF}\) is less soluble in water than other alkali metal fluorides.
(D) \(\mathrm{Li}_{2} \mathrm{O}\) is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below:

1 (A) and (C) only
2 (A), (C) and (D) only
3 (B) and (C) only
4 (A) and (D) only
JEE - 2022
CHXI10:THE S-BLOCK ELEMENTS

315740 Which of the following is most stable?

1 \(\mathrm{Na}_{3} \mathrm{~N}\)
2 \(\mathrm{Li}_{3} \mathrm{~N}\)
3 \(\mathrm{K}_{3} \mathrm{~N}\)
4 \(\mathrm{Rb}_{3} \mathrm{~N}\)
CHXI10:THE S-BLOCK ELEMENTS

315741 Li does not resemble other alkali metals in following properties

1 \(\mathrm{Li}_{2} \mathrm{CO}_{3}\) decomposes into oxides while other alkali carbonates are thermally stable
2 \(\mathrm{LiCl}\) is predominantly covalent
3 \(\mathrm{Li}_{3} \mathrm{~N}\) is stable
4 All
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CHXI10:THE S-BLOCK ELEMENTS

315738 Why lithium react less vigorusly with water than other alkali metals?

1 Lithium has most negative \(E^{\circ}\) value
2 Lithium has small size and very high hydration energy
3 Lithium has least negative \(E^{\circ}\) values
4 Both (1) and (2)
CHXI10:THE S-BLOCK ELEMENTS

315739 Which of the following statements are correct?
(A) Both \(\mathrm{LiCl}\) and \(\mathrm{MgCl}_{2}\) are soluble in ethanol.
(B) The oxides \(\mathrm{Li}_{2} \mathrm{O}\) and \(\mathrm{MgO}\) combine with excess of oxygen to give superoxide.
(C) \(\mathrm{LiF}\) is less soluble in water than other alkali metal fluorides.
(D) \(\mathrm{Li}_{2} \mathrm{O}\) is more soluble in water than other alkali metal oxides.
Choose the most appropriate answer from the options given below:

1 (A) and (C) only
2 (A), (C) and (D) only
3 (B) and (C) only
4 (A) and (D) only
JEE - 2022
CHXI10:THE S-BLOCK ELEMENTS

315740 Which of the following is most stable?

1 \(\mathrm{Na}_{3} \mathrm{~N}\)
2 \(\mathrm{Li}_{3} \mathrm{~N}\)
3 \(\mathrm{K}_{3} \mathrm{~N}\)
4 \(\mathrm{Rb}_{3} \mathrm{~N}\)
CHXI10:THE S-BLOCK ELEMENTS

315741 Li does not resemble other alkali metals in following properties

1 \(\mathrm{Li}_{2} \mathrm{CO}_{3}\) decomposes into oxides while other alkali carbonates are thermally stable
2 \(\mathrm{LiCl}\) is predominantly covalent
3 \(\mathrm{Li}_{3} \mathrm{~N}\) is stable
4 All
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