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In which of the following arrangements t...

In which of the following arrangements the order is NOT according to the property indicated against it ?

A

`Li lt Na lt K lt Pb` (Increasing metallic radius)

B

`I lt Br lt F lt Cl` (Increasing electron gain enthalpy with negative sign)

C

`B lt C lt N lt O` (Increasing first ionisation enthalpy)

D

`Al^(3+) lt Mg^(2+) lt Na^+ lt F^–` (Increasing ionic size)

Text Solution

Verified by Experts

The correct Answer is:
C
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VMC MODULES ENGLISH-PERIODIC PROPERTIES OF ELEMENTS-ENABLE
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  2. The cation having the largest size in the periodic table is

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  3. Halogens have been placed in the VII group of the peri- odic table bec...

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  4. Which of the following has largest radius?

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  5. The electronegativity values of C, N , O and F

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  6. In the long form of periodic table elements with low ionisation potent...

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  7. The first ionization energy is smallest for the atom with electronic c...

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  8. For which elements, Newlands' law of octaves is not applicable?

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  11. Which of the following set has the strongest tendency to form anions?

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  12. In the periodic table the trend of density of elements down the group ...

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  16. Which of the following has the highest boiling point?

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  18. Which group of the long form of the periodic table contains solid, liq...

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