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Given below are two statements:
Statement I: Nickel is being used as the catalyst for producing syn gas and edible fats.
Statement II: Silicon forms both electron rich and electron deficient hydrides.
In the light of the above statements, choose the most appropriate answer from the options given below:
We need to evaluate two statements about nickel and silicon.
Analyze Statement I.
Statement I: Nickel is being used as the catalyst for producing syn gas and edible fats.
Syn gas (CO + H$$_2$$) is produced by steam reforming of methane: CH$$_4$$ + H$$_2$$O $$\xrightarrow{\text{Ni}}$$ CO + 3H$$_2$$. Nickel is indeed the catalyst used.
Edible fats are produced by hydrogenation of vegetable oils using finely divided nickel as catalyst.
Statement I is correct.
Analyze Statement II.
Statement II: Silicon forms both electron rich and electron deficient hydrides.
Silicon forms silanes (SiH$$_4$$, Si$$_2$$H$$_6$$, etc.), which are electron-precise hydrides — each Si forms 4 bonds using all valence electrons. Silicon does not form electron-rich hydrides (like PH$$_3$$, H$$_2$$S with lone pairs that dominate chemistry) or electron-deficient hydrides (like B$$_2$$H$$_6$$ with 3-centre 2-electron bonds).
Statement II is incorrect.
Conclusion.
Statement I is correct but Statement II is incorrect.
The correct answer is Option D: Statement I is correct but statement II is incorrect.
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