WorksheetsAlkaloids-4
Total questions: 10
Worksheet time: 3mins
What is the empirical formula of Coniine?
C8H17N
C8H18N
C7H17N
C8H17
Pyrrolidine is 5 membered, piperidine is 6-membered.
True
False
Which of the following methods is used to get alkaloids in base form from plant material?
Adding ammonium hydroxide and water to the pulverized drug
Making an extract with mineral acid and organic solvent
Making an extract with base and organic solvent
Adding mineral acid and water to the powdered drug
Which of the following forms are alkaloids mainly present in plants?
Esters of mineral acids
Salts of mineral acids
Free bases
Esters of organic acids
The killer of Socrates
Coniine
papaverine
Quinine
Caffeine
When coniine was treated with methyl Iodide it forms methyl derivatives which indicates the presence of secondary nitrogen atom
True
False
Proto alkaloids have heterocyclic ring with nitrogen and derive from amino acids
True
False
Coniine was the first alkaloid, which was synthesized in laboratory
True
False
The basicity of alkaloids depends on the availability of the lone pair of electrons on the N atoms: Electron donating groups enhance basicity
True
False
Coniine are free from Oxygen and are mostly liquids
True
False
