TEST ANÁLISIS TEMA 5.1

TEST ANÁLISIS TEMA 5.1

University

40 Qs

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TEST ANÁLISIS TEMA 5.1

TEST ANÁLISIS TEMA 5.1

Assessment

Quiz

Chemistry

University

Medium

Created by

Jose eusebio Blasco Martin

Used 2+ times

FREE Resource

40 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué define un ácido según Brønsted y Lowry?

A) Aceptor de electrones

B) Donador de protones

C) Donador de electrones

D) Aceptor de protones

Answer explanation

Bronsted y Lowry, 1923:

Ácido: Toda sustancia capaz de ceder protones.

Base: Toda sustancia capaz de captar protones.

Reacción de neutralización: Todo proceso de transferencia de protones desde un ácido a una base.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Qué sustancia es la base conjugada del ácido acético?

H3O⁺

Acetona

Ac⁻

NH4⁺

Answer explanation

Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el valor del producto iónico del agua a 25 °C?

10⁷

10⁻⁶

10⁻¹⁴

1

Answer explanation

Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Un ácido con Ka muy alta se considera:

Débil

Neutro

Fuerte

No ácido

Answer explanation

Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

En agua, un medio básico se caracteriza por:

[H⁺] > [OH⁻]

[H⁺] = [OH⁻]

[H⁺] < [OH⁻]

[H⁺] = 0

Answer explanation

Media Image

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es la relación entre pH y pOH?

pH + pOH = 0

pH = pOH

pH + pOH = 14

pH - pOH = 7

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

¿Cuál es el pH de una disolución neutra a 25 °C?

1

7

10

14

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