Which of the following hydrides is electron-rich hydride?
Correct answer: D. Both B and C
- A. B2H6
- B. NH3
- C. H2O
- D. Both B and C
Explanation
Electron-rich hydrides are those where the central atom has one or more lone pairs of electrons after forming bonds with hydrogen. Both ammonia (NH₃, one lone pair) and water (H₂O, two lone pairs) fit this description. B₂H₆ is electron-deficient.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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