TMA 3 CHM305 ORGANIC CHEMISTRY
- The properties of cellulose include the following except___?
- A colourless amorphous substance
- It hydrolizes to glucose
- Smooth and lactose
- Appear solid at room temperature
The answer is D. Appears solid at room temperature
- ____ restore the red colouration of Schiff reagent
- Ketone
- Aldehyde
- Carboxylic acid
- Alcohol
The answer is B. Aldehyde
- Aldehyde and ketones are
- Complex organic compound
- C and D
- Simple organic compound
- Simple organic compound
The answer is B. C and D
- The following includes the characteristics of fat and oil except____?
- Colourless liquid or solid
- Freely soluble in organic solvent
- Are none volatile
- Decompose on cooling
The answer is D. Decompose on cooling
- One of this is not a physical property of pyrrole?
- Soluble in water
- It darkens when exposed to air
- Colourless liquid
- Chloroform like smell
The answer is D. Chloroform like smell
- The general chemical properties of oil include this except____?
- Rancidification
- Drying
- Hydrogenation
- Hydrolysis
The answer is D. Hydrolysis
- The family name ending –OSE indicate
- Hydrogen
- Fat and oil
- Carbohydrate
- Polysaccharides
The answer is C. Carbohydrate
- Saturated carboxylic acid are solid at room temperature because?
- Their regular nature of aliphatic chain allows the molecules to be packed in a close parallel alignment
- Because they have single bond in their hydrocarbon chain
- Because they are found natural fat and oil
- Because they have double bond in their hydrocarbon chain
The answer is A. Their regular nature of aliphatic chain allows the molecules to be packed in a close parallel alignment
- A Grignard reagent has the formula ______?
- e RmgX
- Rmg
- RMX
- RgMX
The answer is A. e RmgX
- Starch is a poly-glucose found in?
- Beans
- Maize
- Cocoa
- Sugar cane
The answer is B. Maize
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