Which of the following belongs to a group of complex biomolecules commonly regarded as the “staff of life.”?
Carbohydrates
Glucose
Protein
When an organic compound was treated with sodium nitrite and hydrochloric acid in the ice-cold, nitrogen gas was evolved copiously. What is the compound?
A primary amine
A nitro compound
An aliphatic primary amine
Primary alcohols undergo what reaction to form alkenes?
Elimination
Hydrolysis
Oxidation
____________ is a compound and it is not a functional group.
Cyanide
Isocyanide
Nitrile
___________ is the simplest member of the alkane family and indeed the simplest of organic compounds, as all other compounds are derived by altering this compound.
Propane
Ethanol
Methane
0.0833mol of carbohydrate of empirical formula CH2O contain 1g of hydrogen. The molecular formula of the carbohydrate is
C3H4O3
C6H12O6
C12H22O11
How many different nucleotides are used to make DNA molecules?
One
Two
Three
___________ is an analogue of benzene in which one -CH unit is replaced by N.
Piperidine
Aniline
Pyridine
The chemical formula for pyridine is:
C5H5N
C2NO
CNH5
Amine is considered a variant of ammonia.
True
False
The _____________ of vegetable oils, animal fats, or waste cooking oils is the process behind conventional biodiesel.
Saponification
Hydrolysis
Transesterification
The most common method of transesterification is the reaction of the ester with an _____________ in the presence of an acid catalyst.
Phenol
Alcohol
Aldehyde
Glycerol cannot be reduced to propylene glycol with hydrogen at pressures from 10 to 100 atmospheres and temperatures above 150° C.
True
False
The mass spectrometer was invented by ___________.
Dalston
JJ Thomson
Rutherford
In the Dumas method, the nitrogen present in organic compound gets converted to _______.
Sodium Cyanide
Gaseous Ammonia
Dinitrogen Gas
The ammonium ion cannot react at the N with a ___________ because the N already has an octet of electrons.
Nucleophile
Electrophile
Base
A condensation polymer is made from how many monomers?
Four
Three
Two
___________ is an electromagnetic radiation with a wavelength from 10 nm to 400 nm.
Ultraviolet
Infrared
Aeon Flux
__________ reagents are made from halogenoalkanes and introduces some of their reactions.
Water
Grignard
Ester
This oil contains a mixture of hydrocarbons that boil at different temperatures.
Alcohol
Refined
Crude
Aniline reacts with acetaldehyde to form a Schiff base.
True
False
___________ is prepared from benzoic acid be SOCl2.
Benzoyl chloride
Methyl iodide
Phenyl magnesium bromide
The reaction, called ____________, is characterized by the combining of an alcohol and an acid to yield an ester plus water.
Transesterification
Acid catalyst
Fischer esterification
The cosmetics industry is a lucrative sector of organic chemistry.
True
False
Carbonyl compounds especially ketones undergo reduction to form __________.
Primary alcohols
Secondary alcohols
Alkanes
Popular quizzes
Trending on HowToPronounce
- Andrea [en]
- elaine [en]
- LEah [en]
- agnieszka [en]
- Anrich Nortje [en]
- Juan [en]
- aka [en]
- Diane [en]
- malchus [en]
- Leigh [en]
- Good Friday [en]
- Chelsea Women [en]
- Ronna McDaniel [en]
- nortje [en]
- fin [en]