cell ?
32.
(a) Draw the structures of the following:
(i) Xefa
(ii) Bri:
(b) Account for the following:
(i) Iron on reaction with HCl forms FeCl, and not FeCl3.
(ii) HCIO, is a stronger acid than HCIO.
(iii) BiHz is the strongest reducing agent amongst all the hydrides of group 15.
Answers
Answer:
Iron on reaction with HCl forms FeCl2 and not a FeCl3 as the hydrogen liberated during the process prevents the oxidation of ferrous chloride to ferric chloride. * Iron on reacting with HCl liberates hydrogen gas. ... This hinders the oxidation of ferrous to ferric chloride.
ii] HClO4 is a stronger acid than HClO. This is because ClO−4ClO4- is a weaker conjugate base than ClO−. In ClO−4ClO4-, the negative charge is spread over four oxygen atoms owing to resonance. Hence, it is more stable than ClO−
iii] Doen the group (↓) i.e, from N to Bi, the atomic size increases, hence the bond length A-H increases consequently A-H bond strength decreases and tendency to behave as reducing agent increases i.e., BiH3 is the strongest reducing agent amongst all the hydrides of group 15 elements.
Explanation:
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