Ammonia
氨 ān
These are physical and chemical properties of ammonia.
See the
uses of Ammonia here.
If this knol is helpful,
please Like and Share it. Thanks.
氨 ān
NH3
Ammonia 氨 ān
is a covalent compound that is made up of the elements
元素 yuán sù
of nitrogen 氮 dàn,
N,
and hydrogen 氢
qīng, H. Nitrogen 氮 dàn
has five valence electrons,
three of which form single bonds with three hydrogen 氢
qīng
atoms.These are physical and chemical properties of ammonia.
| Physical | Chemical |
| colourless |
turns
damp red litmus paper to blue - alkaline (pH = 11) |
| pungent
smell |
changes
universal indicator to blue |
| extinguishes
a lighted splint |
forms a
white smoke in the presence of hydrogen chloride gas; the white smoke is ammonium chloride NH4Cl |
NH3(g) +
HCl(g)3 -->
NH4Cl(g)
NH3
Amonia
merupakan sebatian kovalen yang terdiri daripada unsur-unsur nitrogen,
N,
dan hidrogen,
H. Nitrogen
mempunyai lima elektron valens
dan tiga daripadanya membentuk tiga ikatan tunggal
dengan tiga atom hidrogen.
Sifat-sifat fizikal dan kimia amonia disenaraikan di bawah
Sifat-sifat fizikal dan kimia amonia disenaraikan di bawah
| fizikal |
kimia |
| tidak
berwarna |
menukarkan
kertas litmus lembap dari merah ke biru - beralkali (pH = 11) |
| berbau
sengit |
menukarkan
warna penunjuk semesta ke biru |
| memadamkan
kaya uji bernyala |
membentuk
asap putih dalam kehadiran gas hydrogen klorida; asap putih itu ialah amonium klorida NH4Cl |
NH3(g) +
HCl(g)3 -->
NH4Cl(g)
