Chemistry
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New answer posted
5 months agoNew answer posted
5 months agoContributor-Level 10
According to the John-Tollen distortion, there is a unsymmetrical filling of eq set of Cu+= ions but there is symmetrical filling of t2g set of ions.
New answer posted
5 months agoContributor-Level 10
Following are the
Cr2+ - 1926 KJ/mole
Mn2+ - 1860 KJ/mole
Fe2+ - 2000 KJ/mole
Co2+ - 2078 KJ/mole
New answer posted
5 months agoContributor-Level 10
Acid = M (OH)2 ® Salt + H2O
M.E of Acid = me of Base
Thus basicity of acid = 3
New answer posted
5 months agoContributor-Level 10
Biuret test is given by proteins and dipeptide & compounds having following groups
Hence positive test given by tripeptide & biuret.
New answer posted
5 months agoContributor-Level 10
Monomer of novolac is
Molecular mass of monomer unit
= 12 * 7 + 1 * 8 + 16 * 2
= 84 + 8 + 32
= 124 g
Molecular mass of polymer = 963 g
n * mass of monomer = mass of polymer + (n – 1) * 18
(n – 1) unit of H2O is removed during formation
106n = 945
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