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In X - H----Y , both X and Y are electro...

In X - H----Y , both X and Y are electronegative elements

A

electron density on X will increase and on H will decrease

B

in both electron density will increase

C

in both electron density will decrease

D

on X electron density will decrease and on H increase

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The correct Answer is:
A
In X-H ---- Y, X and Y both are electronegative elements , then electron density on X will increase and on H will decrease.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-CHEMICAL BONDING-EXERCISE
  1. Which of the following is isoelectronic ?

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  2. The main axis of diatomic molecule is z. The orbitals px and py overla...

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  3. In X - H----Y , both X and Y are electronegative elements

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  4. In which of the following bond angle is maximum

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  5. Which of the following two are isostructural ?

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  6. A compound contains three elements A,B and C, if the oxidation number ...

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  7. Among the following ions the p pi- d pi overlap could be present in

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  8. Among the following group which represents the collection of isoelectr...

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  9. Which of the following is not paramagnetic ?

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  10. The relationship between the dissociation energy of N2 and N2^+ is

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  11. Which one of the following is planar ?

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  12. Which of the following molecule forms linear polymeric structure due t...

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  13. The type of hybridisation of boron in diborane is

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  14. In PO(4)^(3-) the formal charge on each O-atom and P-O bond order resp...

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  15. The species which is not paramagnetic among the following is

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  16. The number of antibonding electron pairs in O(2)^(2-) molecular ion on...

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  17. The molecule which does not exhibit dipole moment is

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  18. For two ionic solids, CaO and KI, which of the following statements is...

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  19. The high density of water compared to ice is due to

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  20. N2 and O2 are converted into monoanions N2^- and O2^- respectively. Wh...

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