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Beryllium and magnesium do not give colo...

Beryllium and magnesium do not give colour to flame whereas other alkaline earth metals do so. Why?

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Explore conceptually related problems

Beryllium and magnesium do not give colour to flame whereas other alkaline eath metals do so. Why?

Why Beryllium and magnesium do not impart colour to the flame?

Beryllium and magnesium do not impart any colour to the flame test. The reason is that

Be and Mg atoms do not impart colour to the flame.

Why group -2 metals are called alkaline earth metals ?

Beryllium has less negative value of reduction potentials compared to other alkaline earth metals due to:

Blue colour of alkali and alkaline earth metals in liquid NH_3 is due to

Assertion (A): Be and Mg impart characterstic colour to the flame. Reason (R ): As compared to other alkaline earth metals, ionisation enthalpy of Be and Mg is low.

MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -NCERT FILE ( NCERT Textbook Exercises)
  1. Why are potassium and caesium, rather lithium used in photoelectric ce...

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  2. When an alkali metal dissolves in liquid ammonia the solution can acqu...

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  3. Beryllium and magnesium do not give colour to flame whereas other alka...

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  4. Discuss the various reactions that occur in the Solvay process

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  5. Potassium carbonate can be obtained by Solvay's process.

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  6. Why is Li(2)CO(3) decomposed at a lower temperature whereas Na(2)CO(3)...

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  7. Compare the solubility and thermal stability of the following compound...

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  8. Starting from sodium chloride, how will you proceed to prepare (i) sod...

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  9. What happens when (a) magensium in burnt in air, (b) quicklime is heat...

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  10. Describe two important uses of each of the following: (a) casutic so...

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  11. Draw the structure of (i) BeCl2 (vapour) and (ii) BeCl2 (solid).

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  12. The hydroxides and carbonates of sodium and potassium are easily solub...

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  13. Describe the importance of the following: (a) limestone, (b) cement an...

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  14. Why are lithium salts commonly hydrated while those of other alkali me...

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  15. Why it LiF almost insoluble in water while LiCl is soluble not only in...

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  16. Explain the significance of sodium, potassium, magnesium and calcium o...

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  17. What happens when a. Sodium metal is dropped in water? b. Sodium m...

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  18. Comment on each of the following observation: a. The mobilities of t...

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  19. State as to why (a) a solution of Na(2)CO(3) is alkaline ? (b) alk...

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  20. Write balanced quations for reaction between (a) Na2O2 and water (...

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