Chemistry, asked by meerasinghbtp33, 8 months ago

32. Select species which is planar at nitrogen :
(A) (CH3)3N (B) (SiH3)3N (C) NF3 (D) NH3

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Answered by Mahenazi

Answer: (SiH3) 3N

Explanation:Silicon has vacant d orbitals. the lone pair on N provides the vacant d orbital of Si with electrons. Hence N-SIH3 bond gains parial double bond chracter i.e its hybridisation becomes sp2 which is trigonal planar. Imagine back bonding as a sort of resonance between lone pair and the other atom with a vacant d or p orbital

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32. Select species which is planar at nitrogen :(A) (CH3)3N (B) (SiH3)3N (C) NF3 (D) NH3​

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32. Select species which is planar at nitrogen :
(A) (CH3)3N (B) (SiH3)3N (C) NF3 (D) NH3