Pernyataan berikut yang manakah tidak benar mengenai alkohol dan fenol? Which of the following statements is not true about alcohols and phenols? 00 Select one: A. Alkohol adalah pelarut penting dan perantaraan sintesis. / Alcohols are important solvents and synthesis intermediates, B. Metanol adalah bahan bakar aditif biasa yang dihasilkan pada skala yang besar. / Methanol is a common fuel additive that is produced in large scales. C. Fenol, C H OH juga dikenali sebagai fenil alcohol / Phenol, CH OH is also known as phenyt alcohol. D. Fenol mengandungi kumpulan OH yang dihubungkan kepada karbon pada gelang benzena. / Phenols contain an OH group connected to a carbon in a benzene ring. Tindak balas kimia antara alkohol X dengan kalium permanganat yang berasid akan menghasilkan The chemical reaction between alcohol X with acidified potassium permanganate will produces L00 OH Alkohol / Alcoholx Select one: A. tiada tindak balas / no reaction B. asid karbosilik / carboxylic acid C. Keton / ketone D. Aldehid / aldehyde

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Diol

In chemistry there are so many chemical compounds that have a hydroxyl group but a chemical compound having two hydroxyl groups (-OH) is termed as a diol. It also implies the presence of two alcohols whereas polyols contain two or more than two hydroxyl groups (-OH). Glycol or 1,2-diol is an aliphatic diol that has two alcohol groups on adjacent carbon atoms. In industries, the most commonly used diol is ethylene glycol.