vg.cengag OWLy2 1 Online teaching and learning Use the Relerences to access impe

Question

vg.cengag OWLy2 1 Online teaching and learning Use the Relerences to access impertant values if needed for thls qeestlen. Use the pall-down boxes to specify states such as (aq) or (s). If a box is not needed leave it blank If no reaction occurs leave all boxes blank and click on Submic Write a net ionic equation for the reaction that occurs when aqueous solutions of sodium hydroxide and hydrolodic acid are combined. (Use H instead of Hyo' Retry Entire Group 3 more group attempts remaining Previous Cengage Learning Cengage Technical Support

Explanation / Answer

a)
The reaction taking place is:
NaOH(aq) + HI (aq) -----> NaI (aq) + H2O (l)

Write all aqueous compoenents as ions
Na+(aq) + OH-(aq) + H+ (aq) + I- (aq) -----> Na+ (aq) + I- (aq) + H2O (l)

Remove the ions common in both reactants and products to get net ionic equation:

OH-(aq) + H+ (aq) -----> H2O (l)

b)
HCN(aq) + OH-(aq) --> H2O(l) + CN-(aq)

Here HCN must be shown as it is weak acid

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