C-Lab: Chemical and Physical Properties
1. In your own words, what is the definition of a physical change?
Physical change is a type of change in which the form or phase of the matter is changed while
still retaining all of its chemical
Ionic compounds in
Scientific name: Sodium Bicarbonate
Fundamental Particles: Carbonic acid and Hydroxide ions,
Na2CO3 + H2O
How and where it is used: Baking soda can be used to
freshen your bre
Object: Iron Man Statue
Extensive (E) or Intensive (I)
Describe how you know it is
an intensive or extensive
The mass depends upon the
amount of ma
HISTORY OF DEVELOPMENT OF THE PERIODIC TABLE
All earlier attempts on the classification of the elements were based upon their atomic weights.
Dobereiner classified the elements with similar properties in the groups of three elements (T
Explain the characteristic of s & p block elements with examples.
How can you predict the group, period & block of an element? Explain with examples.
Explain, why physical & chemical properties o
Hydrogen is the first element in the periodic table and is also the lightest element known. Its atomic form
exists only at high temperatures. In the normal elemental form, it exists as a diatomic molecule, i.e. .
Unique Position of Hydroge
What will be the major products in the following reaction?
i ) Br2 , at higher temperatur e
ii ) O H ( 2 equiv alent s )
What is the product when trans-2-butene is allowed to react with D 2 in pr
Arrange each set of compounds in order of increasing boiling point.
(i) Methyl bromide, methylene bromide, bromoform.
(ii) n butyl chloride, iso butyl chloride, tert butyl chloride.
Complete the following se
Hydroxy compound can be classified in the following three categories.
1. Aliphatic hydroxy compound
OH Contain only one - OH group
OH Contain two - OH group
Alkyl halides or halo alkanes are compounds in which a halogen is bonded to an alkyl group. They have
the general formula RX (where R is alkyl group CnH2n+1) X is halogen atom.
Alkyl halides are classified as
Hydrocarbons are the compounds of carbon and hydrogen only. They are mainly obtained from
petroleum, natural gas and coal, e.g. ethane, methane etc.
Classification of hydrocarbons
How is dihydrogen obtained from?
(A) dilute sulphuric acid
(B) sodium hydroxide
Give one equation in each case.
What is the difference between hydrolysis and hydration?
Write a note on: (a) Oxo process (b) absolute alcohol
What happens when?
(a) ethanol vapours are passed over alumina at 600 K,
(b) excess of ethanol is heated with conc. H2SO4 at 413 K,
(c) phenol is treated