Give reasons with explanation: (4 marks) 1) Chromium has an outer electronic configuration 4s'3d rather than 4s²3d II) (HSO4) ion can act as an Arrhenius acid and also as Bronsted-Lowry base. Show by writing equations. I) The boiling point of H20 (373K) is higher than that of H2S (212.9 K) IV) NH3 can form coordinate covalent bond with H* but CH4 cannot do so. (Write the equations for co- ordinate covalent bond formation)

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Give reasons with explanation:
(4 marks)
1) Chromium has an outer electronic configuration 4s 3d rather than 4s23d
II) (HSO4) ion can act as an Arrhenius acid and also as Bronsted-Lowry base. Show by writing
equations.
II) The boiling point of H20 (373K) is higher than that of H2S (212.9 K)
IV) NH3 can form coordinate covalent bond with H* but CH4 cannot do so. (Write the equations for co-
ordinate covalent bond formation)
Transcribed Image Text:Give reasons with explanation: (4 marks) 1) Chromium has an outer electronic configuration 4s 3d rather than 4s23d II) (HSO4) ion can act as an Arrhenius acid and also as Bronsted-Lowry base. Show by writing equations. II) The boiling point of H20 (373K) is higher than that of H2S (212.9 K) IV) NH3 can form coordinate covalent bond with H* but CH4 cannot do so. (Write the equations for co- ordinate covalent bond formation)
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