Question

Given the following equilibrium reaction: HI (aq) + H20 <- -> I- (aq) + H3O+ (aq)...

Given the following equilibrium reaction: HI (aq) + H20 <- -> I- (aq) + H3O+ (aq)

Indicate which of the following statements are true?

a. water is not acting as an acid or base

b. water is acting as a acid and its conjusgate base is I-

c. water is acting as a base and its conjugate is I-

d. HI is acting as a acid and its conjugare baseis I-

e. HI is acting as a base and its conjugate acid is I-

f. Water is acting as a base and its conjugate acid is H3O+

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Answer #1

answers :

d. HI is acting as a acid and its conjugare baseis I-

f. Water is acting as a base and its conjugate acid is H3O+

explanation:

HI (aq)      +    H20 <- --------------------------> I- (aq)       + H3O+ (aq)

( acid )              ( base   )                           ( conjugate base) (conjugate acid)

an acid is a proton donar where as base is the proton acceptor.

here HI donating proton to H2O so it can act as an acid.

H2O accepting proton from HI so it is base

every acid has conjugate base

every base has conjugate acid

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