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The total number of lone pairs of electi...

The total number of lone pairs of elections in `N_2O_3` is

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MODERN PUBLICATION-p-BLOCK ELEMENTS-EXERCISE
  1. Among the following, the number of compounds that can react with PCl5 ...

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  2. Express 1262 in roman numbers.

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  3. The total number of lone pairs of elections in N2O3 is

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  4. Express 1263 in roman numbers.

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  5. In qualitative analysis when H2S is passed through an aqueous solution...

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  6. In a cyclotrimetaphosphoric acid molecule, how many single and double ...

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  7. Which of the following elements can be involved in ppi -d pi bonding

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  8. Which of the following pairs of ions are isoelectronic and isostructur...

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  9. Express 1266 in roman numbers.

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  10. Express 1127 in roman numbers.

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  11. On heating with concentrated NaOH solution in an inert atmosphere of C...

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  12. Express 1268 in roman numbers.

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  13. Express 1270 in roman numbers.

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  14. On heating lead nitrate forms oxides of nitrogen and lead. The oxide...

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  15. Which of the following elements does not show allotropy?

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  16. Complete the following statement- Sources of calcium are-

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  17. Which of the following statements is wrong?

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  18. A brown ring is formed in the ring test for NO3^- ion. It is due to th...

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  19. Elements of group-15 form compounds in +5 oxidation state. However, bi...

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  20. On heating ammonium dichromate and barium azide separately we get

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