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how many (sigma) and (pi) bonds are pres...

how many `(sigma) and (pi)` bonds are present in buta-1,3-diyne?

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`underset("Buta-1,3-diyne")(H-C-=C-C-=C-H)" "sigma`-bonds: 5, `pi`-bonds:4
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CHHAYA PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-SOLVED WBCHSE SCANNER
  1. Arrange the following ions in the increasing order of their ionic radi...

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  2. Arrange the following molecules in increasing order of their dipole mo...

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  3. how many (sigma) and (pi) bonds are present in buta-1,3-diyne?

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  4. What are the different types of bonds present in ammonium bromide mole...

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  5. Draw the resonating structures of sulphate ion.

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  6. (i) Define coordination number. (ii) Carbon dioxide and sulphur diox...

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  7. (i) Which of H(2)O or H(2)S molecules has a greater bond angle? Explai...

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  8. Which of the following is not paramagnetic-

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  9. Which bond among the following is least ionic-

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  10. (i) When hydrogen combines with oxygen, a polar covalent produce is fo...

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  11. (i) Why H(2) is a stable molecule, but He(2) is not? (ii) Write cann...

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  12. In which of the following conversions there are changes of hybridisati...

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  13. The correct bond order of nitrogen and its different ions is-

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  14. Which one of the following compounds is not polar-

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  15. (i) Why are the bond angles of NH(3) and H(2)O less than the normal va...

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  16. (i) What are the types of hybridisation of NH(4)^(+),CO(3)^(2-),H(2)S ...

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  17. (i) Although KHF(2) is a stable compound, KHBr(2) does not exist. Expl...

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  18. All the carbon-oxygen bonds in CO(3)^(2-) radical are equivalent-expla...

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  19. The bond order of He^(2+) ion is-

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  20. Which is not paramagnetic of the following?

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