Chemistry - CHEMICAL BONDING Question with Solution | TestHub
ChemistryCHEMICAL BONDINGIntroduction, ValencyMedium2 minQB
ChemistryMediumsingle choice
Which of the following is electron precise molecular hydride ?
Options:
Answer:
B
Solution:
SiH₄ is an electron-precise hydride: Si (group 14) has 4 valence electrons and forms four normal 2c–2e Si–H bonds, with no lone pair and no electron shortage.
B₂H₆ is electron-deficient (3c–2e B–H–B bridge bonds). BeH₂ is also electron-deficient (Be has only 4 electrons around it). NH₃ is electron-rich (lone pair on N).
Answer: B
Stream:JEESubject:ChemistryTopic:CHEMICAL BONDINGSubtopic:Introduction, Valency
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
