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Questions and Answers
What is the primary reason for the anomalous behaviour of beryllium compared to other alkaline earth metals?
What is the primary reason for the anomalous behaviour of beryllium compared to other alkaline earth metals?
- High reactivity with water
- Low melting point
- High ionisation enthalpy (correct)
- Low ionisation enthalpy
What is the maximum coordination number exhibited by beryllium?
What is the maximum coordination number exhibited by beryllium?
- 6
- 8
- 4 (correct)
- 2
What is the primary use of calcium oxide?
What is the primary use of calcium oxide?
- Preparation of calcium carbonate
- Not mentioned in the passage (correct)
- Manufacturing of cement
- Production of calcium hydroxide
What is the temperature range for the commercial preparation of calcium oxide?
What is the temperature range for the commercial preparation of calcium oxide?
What is the byproduct of the reaction between calcium carbonate and heat?
What is the byproduct of the reaction between calcium carbonate and heat?
What is the melting point of calcium oxide?
What is the melting point of calcium oxide?
What is the electronic configuration of Francium?
What is the electronic configuration of Francium?
What is the trend observed in the hydration enthalpy of alkali metals?
What is the trend observed in the hydration enthalpy of alkali metals?
What is the atomic mass of Potassium in g/mol?
What is the atomic mass of Potassium in g/mol?
What is the use of Sodium in everyday life?
What is the use of Sodium in everyday life?
Which of the following alkali metals forms a yellow coloured flame?
Which of the following alkali metals forms a yellow coloured flame?
What is the application of Caesium in atomic clocks?
What is the application of Caesium in atomic clocks?
What is the general trend in the density of alkali metals as you move down the group from lithium to caesium?
What is the general trend in the density of alkali metals as you move down the group from lithium to caesium?
Which of the following alkali metals has the maximum degree of hydration?
Which of the following alkali metals has the maximum degree of hydration?
Which of the following is an industrially important compound of sodium?
Which of the following is an industrially important compound of sodium?
What is the biological significance of potassium?
What is the biological significance of potassium?
What is the general electronic configuration of alkali metals?
What is the general electronic configuration of alkali metals?
Which of the following is NOT a characteristic of alkali metals?
Which of the following is NOT a characteristic of alkali metals?
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