315888
Which of the following alkali metal is highly radioactive?
1 Rubidium
2 Caesium
3 Francium
4 Both (1) and (3)
Explanation:
Alkali metal is highly radioactive Francium.
CHXI10:THE S-BLOCK ELEMENTS
315889
The metal-metal bond strength is maximum in case of
1 Lithium
2 Sodium
3 Potassium
4 Rubidium
Explanation:
Because of smallest size, metallic bonding is the strongest in lithium.
CHXI10:THE S-BLOCK ELEMENTS
315890
Statement A : Lithium salts are mostly hydrated. Statement B : The hydration enthalpy of alkali metal ions decreases with increase in ionic size.
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.
Explanation:
\(\mathrm{Li}^{+}\)has maximum degree of hydration among other alkali metals. Hence, Lithium salts are hydrated. So, the option (3) is correct.
CHXI10:THE S-BLOCK ELEMENTS
315891
The element placed at the bottom of the alkali metal family is expected to
NEET Test Series from KOTA - 10 Papers In MS WORD
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CHXI10:THE S-BLOCK ELEMENTS
315888
Which of the following alkali metal is highly radioactive?
1 Rubidium
2 Caesium
3 Francium
4 Both (1) and (3)
Explanation:
Alkali metal is highly radioactive Francium.
CHXI10:THE S-BLOCK ELEMENTS
315889
The metal-metal bond strength is maximum in case of
1 Lithium
2 Sodium
3 Potassium
4 Rubidium
Explanation:
Because of smallest size, metallic bonding is the strongest in lithium.
CHXI10:THE S-BLOCK ELEMENTS
315890
Statement A : Lithium salts are mostly hydrated. Statement B : The hydration enthalpy of alkali metal ions decreases with increase in ionic size.
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.
Explanation:
\(\mathrm{Li}^{+}\)has maximum degree of hydration among other alkali metals. Hence, Lithium salts are hydrated. So, the option (3) is correct.
CHXI10:THE S-BLOCK ELEMENTS
315891
The element placed at the bottom of the alkali metal family is expected to
315888
Which of the following alkali metal is highly radioactive?
1 Rubidium
2 Caesium
3 Francium
4 Both (1) and (3)
Explanation:
Alkali metal is highly radioactive Francium.
CHXI10:THE S-BLOCK ELEMENTS
315889
The metal-metal bond strength is maximum in case of
1 Lithium
2 Sodium
3 Potassium
4 Rubidium
Explanation:
Because of smallest size, metallic bonding is the strongest in lithium.
CHXI10:THE S-BLOCK ELEMENTS
315890
Statement A : Lithium salts are mostly hydrated. Statement B : The hydration enthalpy of alkali metal ions decreases with increase in ionic size.
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.
Explanation:
\(\mathrm{Li}^{+}\)has maximum degree of hydration among other alkali metals. Hence, Lithium salts are hydrated. So, the option (3) is correct.
CHXI10:THE S-BLOCK ELEMENTS
315891
The element placed at the bottom of the alkali metal family is expected to
315888
Which of the following alkali metal is highly radioactive?
1 Rubidium
2 Caesium
3 Francium
4 Both (1) and (3)
Explanation:
Alkali metal is highly radioactive Francium.
CHXI10:THE S-BLOCK ELEMENTS
315889
The metal-metal bond strength is maximum in case of
1 Lithium
2 Sodium
3 Potassium
4 Rubidium
Explanation:
Because of smallest size, metallic bonding is the strongest in lithium.
CHXI10:THE S-BLOCK ELEMENTS
315890
Statement A : Lithium salts are mostly hydrated. Statement B : The hydration enthalpy of alkali metal ions decreases with increase in ionic size.
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.
Explanation:
\(\mathrm{Li}^{+}\)has maximum degree of hydration among other alkali metals. Hence, Lithium salts are hydrated. So, the option (3) is correct.
CHXI10:THE S-BLOCK ELEMENTS
315891
The element placed at the bottom of the alkali metal family is expected to