EASY
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Lithium compounds are covalent in nature. Why?

Important Questions on Alkali Metals

EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salt are put under an electric field?
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Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following elements mostly form covalent compounds?
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which among the following alkali metal chloride crystallizes in form of hydrate?
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Among the statements a-d, the correct ones are:
(a) Lithium has the highest hydration enthalpy among the alkali metals.
(b) Lithium chloride is insoluble in pyridine.
(c) Lithium cannot form ethynide upon its reaction with ethyne.
(d) Both lithium and magnesium react slowly with H2O .
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which is incorrect is:
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
The incorrect statement is:
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following alkali metal nitrates on heating decomposes to give NO2 gas?
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following alkali metals does not form ethynide?
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
The aqueous solutions of lithium salts are poor conductors of electricity rather than other alkali metals because of which of the following reasons?
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Lithium is diagonally related to magnesium. The correct reason for this is:
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Li has the following abnormal behaviour in its group:
HARD
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following represents a correct sequence of reducing power of the following elements ?
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Li does not resemble with other alkali metals in the following properties
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following set contains pair of elements that do not belong to same group but show chemical resemblance?
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Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which pair is different from the others?
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Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Which of the following are the correct reasons for anomalous behaviour of lithium?

(i) Exceptionally small size of its atom

(ii) Its high polarising power

(iii) It has low degree of hydration

(iv) Exceptionally low ionisation enthalpy
EASY
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Chemical properties of Li and Mg are similar because :
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Li does not resemble with other alkali metals in following properties
MEDIUM
Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
Complex forming tendency is more for
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Chemistry>Inorganic Chemistry>Alkali Metals>Anomalous Properties of Lithium
The ion which shows maximum value of hydration energy is: