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The ionisation energy of alkali metals d...

The ionisation energy of alkali metals decreases from Li to Cs bacause

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The first ionization enthlpies of alkali metals decreases down the group because of ________.

The ionization enthalpies of the alkali metals decrease down the group from Li to Cs because :

First ionisation energy of alkali metals is very low but second ionisation energy is very high because

Assertion : Solubilities of alkali metal fluorides and carbonates increase down the group. Reason : Hydration energies of alkali metal halides decrease down the group with increase in size of cations.

Lattice energy of alkali metal chlorides follows the order

The electropositive character of alkali metals decreases with an increase in atomic number.

Consider the following statement I.Transition element have almost same ionisation energy II.Alkali metals lowest and inert gases have the highest ionisation energy in a period III.Among all known elements He has the highest and Cs has the lowest ionisation energy Select the correct statement

The first ionisation energies of alkaline earth metal are higher than those of the alkali metals. This is because:

The magnitude of enthalphy of formation of alkali metal halides decreases in the order

MODERN PUBLICATION-S-BLOCK ELEMENTS ( ALKALI AND ALKALINE EARTH METALS ) -Revision Exercises (Objective/Very Short answer questions(Fill in the blanks) )
  1. Li reacts directly with nitrogen to from lithium nitride.

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  2. Solvay process is used for the manufacturing of

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  3. Alkali metals readily dissolve in liquid ammonia to give blue coloured...

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  4. The ionisation energy of alkali metals decreases from Li to Cs bacause

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  5. Which of the following compound(s) will impart a golden yellow colour ...

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  6. Plaster of paris is

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  7. Assertion (A): Lithium chloride is predominantly covalent compound. ...

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  8. Assertion (A): Na(2)SO(4) is soluble in water while BaSO(4) is insolub...

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  9. Al(OH)(3) is amphoteric is nature. Al-O and O-H bonds can be borken ...

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  10. Assertion: Barium is not required for normal biological function in hu...

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  11. Assertion: Li resembles with Mg in properties Reason: Li^(+) has alm...

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  12. Assertion (A): Alkali metals impart colour to the flame. Reason (R )...

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  13. Assertion (A): Sulphur is estimates as BaSO(4) and not as MgSO(4). R...

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  14. Statement -1: Of the chloride of alkaline earth metals BeCl(2) is cova...

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  15. Be forms [BeF(4)]^(2-), but Al forms [AiF(6)]^(3-). Reason (R ): Be...

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  16. Assertion : K, Rb and Cs can also form superoxides. Reason : Their ...

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  17. Assertion (A): CuCI is more covalent than NaCI. Reason (R ): Na^(o+)...

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  18. Assertion : Be gives characteristic flame colouration. Reason : Ion...

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  19. Assertion (A) Beryllium carbonate is kept in the atomsphere of carbon ...

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  20. Assertion (A) The carbonate of lithium decomposes easily on heating to...

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