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The boron trihalides are highly volatile; BF 3 (b. p., 173 K) and BCI 3 , (b. p., 260.5 K are gases, BBr 3 a volatile liquid (b. p., 319 K) and Bl 3 a low melting solid (m. p.,
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
The two or more chemical compounds with identical chemical formula but different structures are called isomers, and the phenomenon is known as isomerism. This phenomenon is not res
Explain the following terms: (a) Asymmetric molecule (b) R and S notations
Q. Show diffrent type of Ligands? Ligands which contain one donor atom are called monodentate the donor atom may contain One or more than one lone pairs of electrons. The l
How to make RM (Reichert Meissl)?
When NaCl is dissolved in water, the sodium ion become
The concentration of hydrogen ions in solution affects the enzyme activity. Every enzyme has maximal efficiency under an optimum pH. As pH is one of the factors for the denatura
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is: (1) 11 (2) 14 (3) 16 (4) 10 An
Face cetered cubic structure In FCC structure, the atoms are situated at each of the eight corners and at the centers of all cube faces of the unit cell. Every face centered at
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