Organic Chemistry Answers

What chemical family does R-(- )-carvone belong to?

What kind of terpenoid is R-(–)-carvone?

Given a 1.35g sample of O2 (FM = 32.00). How many liters of volume would it have at 39oC and 879mmHg pressure?

What are the components of benzene? Specify the percentage of each.

How many grams of H2O are produced from 9.40 g of ethanol?

synthesize 3-phenylpropanol from acetylene and benzyl bromide

Question 9 : All these affect boiling points except __________.
Shape of molecule
London forces
Polarity
Molecular structure

Question 10 : A chief source of benzene and its derivatives is __________.
Bitumen
Coaltar
Limestone
Basalt

Question 11 : In electrophilic addition to alkenes, the electrophilic attack is on ---------.
C-H bond
None of the above
C=C bond
H-H bond

Question 12 : A benzenoid hydrocarbon in which two benzene rings are fused together at the ortho position is called ----------. <
Naphthalene
Biphenyl
Anthracene
Phenanthrene

Question 5 : Geometric isomerism yields __________isomers
Four
Two
Three
Five

Question 6 : A functional group that introduces polarity leads to __________ in the molecule.
increase melting point
increase boiling point
increase saturation point
Permanent dipole moment

Question 7 : A chief source of benzene and its derivatives is __________.
Basalt
Limestone
Coaltar
Bitumen

Question 8 : A substance which ionises to produce hydroxide ions is called __________.
Base
None of the above
Salt
Acid

Question 1 : _______is an example of Isolated Benzenoid Hydrocarbon.
Phenanthrene
Anthracene
Biphenyl
Naphthalene

Question 2 : Down the group, electronegativity ------------------.
None of the above
Increases
Decreases
Neutral

Question 3 : A compound in which a halogen atom is attached to another carbon atom by a double bond is called -----.
Vinyl halide
Alkyl halide
Vicinal dihalides
Geminal dihalides

Question 4 : All these affect boiling points except __________.
Polarity
Shape of molecule
Molecular structure
London forces

Question 9 : All these affect boiling points except __________.
London forces
Molecular structure
Polarity
Shape of molecule

Question 10 : A benzene ring is a ________ system.
Hyperconjugation
non conjugation
None
Conjugation

Question 11 : When a branched chain has a substantial symmetry, then it will have ____________.
Relatively high saturation point
Relatively high boiling point
Relatively low Due point
Relatively high melting point

Question 12 : The process by which a substance dissolves in a solvent and its constituent ions get separated from each other is called _______.
Salinity
Solvation
Solubility
Dissolution