Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 24

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The properties which are not common to both groups $1$ and $17$ elements in the periodic table are :

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Important Questions on Classification of Elements and Periodicity in Properties

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 25

The correct set of decreasing order of electronegativity is:

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 26

Which of the following is most electronegative in

p

-block elements.

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 27

The

{IP}_{1}, {IP}_{2}, {IP}_{3}, {IP}_{4}

and

{IP}_{5}

of an element are

7.1, 14.3, 34.5, 46.8, 162.2 eV

, respectively. The element is likely to be:

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 28

{IE}_{1}

and

{IE}_{2}

of

Mg

are

178

and

348 kcal

{mol}^{- 1}

. The energy required for the reaction

Mg ⟶ {Mg}^{2 +} + 2 e^{-}

is:

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 29

The correct order of decreasing first ionization energy is:

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 30

In which of the following configuration, there will be large difference between second and third ionisation energies?

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 31

Elements which occupied position in the Lother Maeyer curve, on the peaks, were:

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Alpha Question Bank for Medical: Chemistry>Chapter 12 - Classification of Elements and Periodicity in Properties>Exercise 5>Q 32

Correct orders of

1^{st}

ionisation energies are:
(

i

)

Li < B < Be < C

(

ii

)

O < N < F

(

iii

)

Be < N < Ne