The bond energies (in kJ mol−1 ) of C−C, Si−Si and Ge−Ge bonds are respectively 348, 297, 260. This is because Carbon (C) has the highest bond energy due to its small size and high electronegativity, which allows it to form strong covalent bonds. Silicon (Si) and Germanium (Ge) have lower bond energies due to their larger atomic sizes and lower electronegativities. Therefore, the order of bond energies is C−C Si−Si Ge−Ge, which corresponds to the order of catenation tendency.

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The bond energies (in kJ mol−1 ) of C−C, Si−Si and Ge−Ge bonds are respectively 348, 297, 260. This is because Carbon (C) has the highest bond energy due to its small size and high electronegativity, which allows it to form strong covalent bonds. Silicon (Si) and Germanium (Ge) have lower bond energies due to their larger atomic sizes and lower electronegativities. Therefore, the order of bond energies is C−C > Si−Si > Ge−Ge, which corresponds to the order of catenation tendency.

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The bond energies (in kJ mol−1 ) of C−C, Si−Si and Ge−Ge bonds are respectively 348, 297, 260. This is because Carbon (C) has the highest bond energy due to its small size and high electronegativity, which allows it to form strong covalent bonds. Silicon (Si) and Germanium (Ge) have lower bond energies due to their larger atomic sizes and lower electronegativities. Therefore, the order of bond energies is C−C > Si−Si > Ge−Ge, which corresponds to the order of catenation tendency.

The catenation tendency of C,Si and Ge is in the order Ge<Si<C. The bond energies (in kJ mol−1 ) of C−C,Si−Si and Ge−Ge bonds are respectively ;348,297,260297,348,260348,260,297260,297,348

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