Silanes gets hydrolysed by water whereas alkanes do not, why?
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Silanes gets hydrolysed by water whereas alkanes do not, why?
Ans. Silanes, silicon analogues to the carbon alkane series, are less stable than alkanes because the silicon-silicon bond is not as strong or stable as the c-c bond in alkanes. The Si-O bond is very stable so it is easy for Silicon to form oxides as the silanes break down in water, i.e., as they are hydrolyzed.
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Ans. Silanes, silicon analogues to the carbon alkane series, are less stable than alkanes because the silicon-silicon bond is not as strong or stable as the c-c bond in alkanes. The Si-O bond is very stable so it is easy for Silicon to form oxides as the silanes break down in water, i.e., as they are hydrolyzed.
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Carbon and silicon both are p -block elements. Carbon is sixth group element whereas silicon is an eighth group element. The element which having vacant - d orbitals are easily hydrolysed by the water molecules. Silanes gets hydrolysed by water whereas alkanes because availability of vacant d- atomic orbitals in silicon can easily accepts water molecules, while carbon due to "non-availability" of vacant "d-atomic orbitals" cannot be hydrolysed.
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