Organic Chemistry Answers

Question 5 : The temperature at which a substance undergoes transition from the solid to the liquid state is ________.
Saturation point
Boiling point
melting point
Due point

Question 6 : Pure crystalline solids have __________ melting points.
Low
High
Moderate
have no effect on

Question 7 : Geometric isomerism yields __________isomers
Four
Two
Three
Five

Question 8 : The bond energy for an ordinary covalent bond is _________.
10-40kJmol^{-1}
125-420kJmol^{-1}
$$4 to 12 kJmol^{-1}$$
100-450kJmol_{-1}

Question 1 : Among isomeric molecules, the linear isomer is ________.
non-polar isomer
Branched isomer
Unbranched isomer
Polar isomer

Question 2 : The intermolecular hydrogen bonding is one that occurs ________
joining main branch of two molecules
between two molecules
edges of two molecules
within a molecule

Question 3 : The properties of a solvent which measures its ability to separate the ions of the solute is _________.
Melting point
Dielectric constants
Density
Solubility

Question 4 : Increase in melting point as a result of increase in molecular weight is due to increase in ___________.
London forces
electrostatic forces
Dipole-dipole interactions
Hydrogen bonding

The half-life of the radioisotope carbon-14 is 5730 years. How much C-14 will be left after 3 half-lives, if the initial amount is 100.0 g?

Are the functional groups in eugenol alcohol, ether, phenol and alkene or ether, alcohol, arene and alkene

How to convert benzaldehyde to benzophenone?

Preparation of2,2dimethyl propanoic acid from die they lamp on are?

How do oxidation reactions work? What is the structure of the aldehyde / ketone produced by the oxidation of 2-butanol?

How many grams of ammonium nitrate need to be added to 500g of water so that the freezing point becomes -8.3degrees celcius?

ethyl propyl ketone condensed form

Why is Lanthanum and Cesium or Lithium added to solutions to be analysed for Calcium and Sodium respectively?