Thermochemistry and hess''s law, THERMOCHEMISTRY The enthalpy changes a...

THERMOCHEMISTRY The enthalpy changes associated with reaction are dependent upon the temperature. They are also dependent upon the amounts, and the pressure and states of the r

General principles for naming organic compounds, General principles for nam...

General principles for naming organic compounds In the general system, all the isomeric alkanes (having similar molecular formula) have the the same parent name. The names of

Metallic bonding,

The following has zero valency, The following has zero valency : (1) Sod...

The following has zero valency : (1) Sodium (2) Beryllium (3) Aluminium (4) Krypton Ans: Krypton

Ionic in the following compounds, Which one is least ionic in the following...

Which one is least ionic in the following compounds: (1) Agcl (2)  Kcl   (3) Bacl 2                              (4) Cacl 2 Ans: Agcl

.basic concepts of chemistry, calculate M of 3m solution of NaCl of densit...

calculate M of 3m solution of NaCl of density of 1.05 gm/ml

Triiodomethane uses and limitations, what are the limitation and uses of tr...

what are the limitation and uses of triiodomethane

Simple molecular orbital description of diborane, Q. Simple molecular orbit...

Q. Simple molecular orbital description? we can give a simple molecular orbital description of bonding in B 2 H 6 as follows. Each boron atom is sp 3 hybrid giving four sp 3

Terminologies in organic chemistry!, (a) Co-ordination compound A co-ordi...

(a) Co-ordination compound A co-ordination compound contains a central metal atom or cation which is surrounded by a suitable number of anions or neutral molecules and usually re

Pauli''s exclusion principle states that, Pauli's exclusion principle state...

Pauli's exclusion principle states that: (1) Two electrons in the same atom can have the same energy (2) Two electrons in the same atom cannot have the same spin (3) The