The formula of the hydrogen ion is often written as

Asked by maham237 @ 27/06/2021 in Chemistry viewed by 289 People

a salt only water only metal oxides only a salt and water
2. The formula of the hydrogen ion is often written as ____. (1 point) H2O+ OH+ H+ H4N+
3. What is an acid according to Arrhenius? (1 point) a substance that ionizes to yield protons in aqueous solution a substance that is a hydrogen ion donor a substance that accepts an electron pair a substance that is a hydrogen ion acceptor
4. What is transferred between a conjugate acidbase pair? (1 point) an electron a hydroxide ion a hydrogen ion a hydronium ion 5. Which of the following represents a BrønstedLowry conjugate acidbase pair? (1 point) SO3 2and SO2 CO3 2and CO H3O and H2 NH4 + and NH3

Answered by maham237 @ 27/06/2021

Answer: 1) only a salt and water

An acid and base reacts together to undergo neutralization to form salt and water.

$HCl+NaOH\rightarrow NaCl+H_2O$

where HCl is an acid and NaOH is a base to form salt (NaCl) and water $(H_2O)$ .

Answer: 2) The formula of the hydrogen ion is often written as $H^+$ .

All acids dissociate in water to give $H^+$ ions.

Answer: 3) Arrhenius acids are substances that ionizes to yield protons in aqueous solution.

$HCl\rightarrow H^++Cl^-$

Arrhenius bases are substance that ionizes to yield hydroxide ions in aqueous solution.

$NaOH\rightarrow Na^++OH^-$

Answer: 4) A conjugate acid base pair transfers hydrogen ion.

$CH_3COO^-+H_2O\rightarrow CH_3COOH+H_3O^+$

Here $CH_3COO^-$ accepts a proton and thus act as a base and the corresponding $CH_3COOH$ is its conjugate acid.

Answer: 5) Bronsted Lowry acid is a substance that donates protons. Bronsted Lowry base is a substance that accepts protons.

$NH_4^+$ and $NH_3$

$NH_3+H^+\rightarrow NH_4^+$

$NH_3$ is a acid which accepts proton and thus acts as base to form conjugate acid $NH_4^+$ .

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