Why boric acid is a very weak monobasic acid (pH = 9.25)? Explain with suitable equation.
Boric acid contains 3 OH groups yet it can acts as monobasic acid rather than tri basic
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Explain giving suitable structures why ionic azides are more stable than covalent azides.
Why suitable reducing agents are required for reduction of metal oxides? What are the
guidelines to choose a particular reducing agent?
If the electronic configuration of calcium is [Ar]4s2 then what will be the electronic configuration of chromium and free dipositive manganese ion?
Write down the names of the following complexes:
i) 
ii) [CoCl (NO2) (en)2] Cl
iii) K2(PtCl6]
What is ammonium hydroxide? Explain with a suitable equation why the term is misleading and what would be a better term for it.
Explain the tetrahedral structure of chlorine oxide with a bond angle of more than
109º 28'.
Write the reactions for the following:
i) Reaction showing acidic behaviour of sulphur dioxide
ii) Reaction depicting the sulphonation by H2SO4
iii) Reactions of lead chambers during the manufacture of H2SO4 by Lead Chamber process
iv) Reaction distinguishing between peroxomonosulphuric acid and peroxodisulphuric acid
v) Reduction reaction of H2O2 with chlorine