Question : What is the name of the 1,3-isomer (or meta-isomer) of benzenediol with the chemical formula C6H4(OH)2?
Option 1: m-Cresol
Option 2: Resorcinol
Option 3: Catechol
Option 4: Glycerol
Correct Answer: Resorcinol
Solution : The correct option is resorcinol.
The 1,3-isomer of benzenediol, also known as the meta-isomer, with the chemical formula C6H4(OH)2, is called resorcinol. It is a white crystalline solid that is soluble in water, alcohol, and ether. Resorcinol is widely used in various industrial applications, including the production of adhesives, dyes, pharmaceuticals, and personal care products.
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Question : What is the correct formula for calcium hydroxide?
Option 1: CaOH
Option 2: Ca(OH)4
Option 3: Ca(AlOH)4
Option 4: Ca(OH)2
Question : What would be the formula of Fructose?
Option 1: C12H22O11
Option 2: C6H12O6
Option 3: C12H19Cl3O8
Option 4: C6H10O8
Question : What is the chemical formula for the aldehyde group?
Option 1: –COOH
Option 2: –OH
Option 3: –CH2O
Option 4: –CHO
Question : What is the chemical formula of "quartz"?
Option 1: SiO3
Option 2: SiO5
Option 3: SiO
Option 4: SiO2
Question : Which of the following pair of compound – general formula is correct? I. Alkenes – CnH2n II. Alkanes – CnH2n-1
Option 1: Only II
Option 2: Only I
Option 3: Neither I nor II
Option 4: Both I and II
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