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Which of the following statement is wron...

Which of the following statement is wrong?

A

the stability of hydrides increases from `NH_3` to BiH_3` in group 15 of the periodic table

B

nitrogen can not form d pi -p pi bond

C

single N-N bond is weaker than the single P-P bond

D

`N_2O_4` has two resonance structure

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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
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  2. The correct order of acidic strength is

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  3. Which of the following is not a periodic property?

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  4. The correct order of electronegativity of N,O,F and P is

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  5. The correct order of ionisation energy of C,N,O and F is

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  6. Berylium shows diagonal relationship with

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  7. Which of the following have the largest ionic size?

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  8. Which of the following is correct?

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  9. The electron affinity of halogens are F=322 Cl=349 Br=324,I=295kJ mol^...

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  10. Which on of the following pairs is isostructural (i.e.having the same ...

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  11. Which of the following statement is wrong?

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  12. Which one of the following orders presents to the correct sequences of...

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  13. The correct order of electron gain enthalpy with negatives sign of F,C...

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  14. Be and Al exhibit diagonal relationship which of the following stateme...

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  15. The correct decreasing order of first ionisation enthalpies of five el...

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  16. The number of naturally occuring p block elements that are diamagnetic...

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  17. Which one of the following has the lowest ionisation energy?

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  18. The bond enthalpy is the highest for

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  19. The increasing order of the density of alkali metals is

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  20. The correct order of decreasing electronegativity values among the ele...

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