Ionic bond,

Number of unpaired electrons in a chromic ion, The number of unpaired elect...

The number of unpaired electrons in a chromic ion Cr 3+ (atomic number = 24) is: (1) 6        (2) 4        (3) 3        (4) 1 Ans: 3

EDTA Method for determining hardness, i want some solved numerical problems...

i want some solved numerical problems on this topic

Explain oat products, Oat products Oats fulfill admirably the descript...

Oat products Oats fulfill admirably the description of a  functional food, as one that, in addition to providing all normal attributes of a food - basic sustenance, pleasing t

An element has the electronic configuration, An element has the electronic ...

An element has the electronic configuration 1s 2 , 2s 2, 2p 6 , 3s 2 , 3p 2 . Its valency electrons are: (1) 6        (2) 2         (3) 3       (4)4 Ans: 4

Organic chemistry, how to do nomenclature in organic chemistry

how to do nomenclature in organic chemistry

Enthalpy, calculate the enthalpy of combustion for acetic acid using standa...

calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.

2) Organic Chemistry, westron

westron

Bohr''s orbit of an atom is given by the expression, The energy of an elect...

The energy of an electron revolving in n th   Bohr's orbit of an atom is given by the expression; (1) E n = 2Π 2 me 2 z 2 /n 2 h 2                       (2) E n = 2Π 2 m

P block elements, why boron shows +3 as well as-3 oxidation states?

why boron shows +3 as well as-3 oxidation states?