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Which of the following order is wrong-...

Which of the following order is wrong-

A

`NH_(3) lt PH_(3) lt AsH_(3)...` acidic character

B

Li lt Be ltBltC....`IE_(1)`

C

`Al_(2)O_(3) lt MgO lt Na_(2)O lt K_(2)O`...basic

D

`Li^(+) lt Na^(+) lt K^(+) lt Cs^(+)`... Ionic character

Text Solution

Verified by Experts

The correct Answer is:
B
`IE_(1) ` of Li ltBegtB ltC or `IE_(1)` of Li ltBltBeltC
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DINESH PUBLICATION-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-All Questions
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  2. Eka-aluminium and Eka-silicon are known as :

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  3. Which of the following order is wrong-

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  4. Which is true about the electronegative order of the following element...

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  5. The element with atomic number 56 belongs to which block ?

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  6. Which of the following order is correct for the first ionozation poten...

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  7. Electron affinity depends on

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  8. Which of the following is correctly matched?

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  9. Which of the following is not isoelectronic ?

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  10. Two elements whose electronegativities are 1.2 and 3.0 the bond formed...

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  11. The ions O^(2-), F^(-), Na^(+), Mg^(2+), and Al^(3+) are isoelectronic...

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  12. According to the Periodic Law of elements, the Variation in properties...

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  13. Which one of the following groupings represents a collection of isoele...

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  14. Arrange in order of increasing I.P.

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  15. Number of elements present in 5th period is

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  16. What is the general outer electronic configuration of the coinage meta...

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  17. How does the ionisation energy of 1st group elements very ?

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  18. The electron gain enthalpy values (in kJ mol^(-1) ) of three halogens,...

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  19. An atom with high electronegativity has

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