Alkaline Earth Metals: Solubility and Anomalous Behaviour of Beryllium

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

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?

  • 6
  • 8
  • 4 (correct)
  • 2

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?

<p>1070-1270 K (C)</p> Signup and view all the answers

What is the byproduct of the reaction between calcium carbonate and heat?

<p>CO2 (B)</p> Signup and view all the answers

What is the melting point of calcium oxide?

<p>2870 K (C)</p> Signup and view all the answers

What is the electronic configuration of Francium?

<p>[Xe] 6s1 (A)</p> Signup and view all the answers

What is the trend observed in the hydration enthalpy of alkali metals?

<p>It decreases down the group (C)</p> Signup and view all the answers

What is the atomic mass of Potassium in g/mol?

<p>39.10 (C)</p> Signup and view all the answers

What is the use of Sodium in everyday life?

<p>In the production of soap (A)</p> Signup and view all the answers

Which of the following alkali metals forms a yellow coloured flame?

<p>Sodium (B)</p> Signup and view all the answers

What is the application of Caesium in atomic clocks?

<p>In the regulation of time (D)</p> Signup and view all the answers

What is the general trend in the density of alkali metals as you move down the group from lithium to caesium?

<p>It increases (D)</p> Signup and view all the answers

Which of the following alkali metals has the maximum degree of hydration?

<p>Lithium (D)</p> Signup and view all the answers

Which of the following is an industrially important compound of sodium?

<p>Portland cement (C)</p> Signup and view all the answers

What is the biological significance of potassium?

<p>It is essential for various biological processes (D)</p> Signup and view all the answers

What is the general electronic configuration of alkali metals?

<p>[noble gas] ns (D)</p> Signup and view all the answers

Which of the following is NOT a characteristic of alkali metals?

<p>They are hard and dense (B)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Alkaline Earth Metals Quiz
3 questions
Group 2: Alkaline Earth Metals Quiz
25 questions

Group 2: Alkaline Earth Metals Quiz

WellReceivedSquirrel7948 avatar
WellReceivedSquirrel7948
Group IIA: Alkaline Earth Metals Quiz
36 questions
Use Quizgecko on...
Browser
Browser