Questão c7012fc2-af
Prova:UFU-MG 2010
Disciplina:Química
Assunto:Isomeria: Isomeria Espacial: Isomeria Geométrica (cis-trans) e Isomeria Óptica., Principais Funções Orgânicas: Funções Oxigenadas: Álcool, Fenol e Enol., Química Orgânica, Principais Funções Orgânicas: Funções Oxigenadas: Cetona, Aldeído, Éter, Éster, Ácido Carboxílico, Anidrido Orgânico e Cloreto de Ácido.
A cãibra é uma contração súbita, de curta duração e, geralmente, dolorosa de um músculo ou de um grupo muscular.
São comuns nos indivíduos saudáveis, especialmente após um exercício extenuante. O ácido lático, representado abaixo,
corresponde à forma do ácido produzido pelos músculos e responsável pelas cãibras.
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)
Sobre a estrutura do ácido lático, assinale a alternativa INCORRETA.
A cãibra é uma contração súbita, de curta duração e, geralmente, dolorosa de um músculo ou de um grupo muscular. São comuns nos indivíduos saudáveis, especialmente após um exercício extenuante. O ácido lático, representado abaixo, corresponde à forma do ácido produzido pelos músculos e responsável pelas cãibras.
Sobre a estrutura do ácido lático, assinale a alternativa INCORRETA.
A
A fórmula molecular do ácido lático é C3 H6 O3 e seu nome ácido 2-hidroxi-propanóico.
B
O ácido lático possui um carbono assimétrico e manifesta isomeria óptica.
C
Os enantiômeros do ácido lático (dextrógiro e levógiro) desviam o plano da luz polarizada no mesmo sentido.
D
A estrutura revela que o ácido lático é um composto orgânico de função mista: ácido carboxílico e álcool.