Boron cannot form which one of the following anions?
(1) BO2-
(2) BF63-
(3) BH4-
(4) B(OH)4-
Due to absence of low lying vacant d orbital in B, sp3d2hybridization is not possible hence BF63-will not formed.
Galvanization a process to prevent rusting involves use of ___ coating to steel or iron.
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___ is one of the states of matter obtained by cooling a gas of very low density to extremely low temperatures.
One should use porcelain and not metal containers in a microwave oven because..
Which one of the following mixture is homogeneous?
Which of the following statements are CORRECT?
I. Oxides of metals are generally basic.
II. Oxides of non-metals are generally acidic.
III. Non-metals are generally electro positive.
In a water molecule, the ratio of mass of Hydrogen to the mass of Oxygen is always:
Identify a use of the isotope of uranium.
By how many atomic mass units do subsequent members of homologous series differ?
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