Question

32. When the following reaction is balanced what is the coefficient for -OH? ____N2H4 + ____ClO3-...

32. When the following reaction is balanced what is the coefficient for -OH?

____N2H4 + ____ClO3- + ____-OH à ____NO3- + ____Cl- + ____H2O

a.2                b. 4                  c. 6                  d. 8                  e. 10

33. What species is the reducing agent for the reaction above?

            a. N2H4            b. ClO3-           c. –OH             d. NO3-                     e. Cl-

34. When the following reaction is balanced what is the coefficient for NaCl?

____NaClO3 + ____H2O + ____I2 → ____H+ + ____IO3- + ____NaCl

            a. 1                  b. 2                  c. 3                  d. 4                  e. 5

35. What species is the oxidizing agent for the reaction above?

            a. NaClO3                                 b. H2O                         c. I2                             d. IO3-                                           e. NaCl

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Answer #1

Balancing ionic equations in basic medium is one of the most difficult tasks in Inorganic Chemistry.With familiarity you won't find this method too difficlut.

Please post the remaining question as a new one

.This question involves balancing redox equation in acid medium for which we use a different set of rules

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