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InOrganic Chemistry -- Boron
16.
Which of the following statements is correct in the context of diborane (B2H6)?
- A.There are 12 valence electrons—three from each of the two boron atoms and six from the six hydrogen atoms.
- B.Two of the six hydrogen atoms form two bridges between two boron atoms
- C.The two bridging hydrogen atoms are in a plane perpendicular to the rest of the molecule and prevent rotation between the two boron atoms.
- D.All of these.
- Answer
- Report
Answer : [D]
17.
Which of the following compounds are acidic?
- A.B(OH)3
- B.Al(OH)3
- C.BF3
- D.SiO2
- Answer
- Report
Answer : [A,C]
18.
Which of the following compounds react with BF3?
- A.Ethers
- B.B2O3
- C.Al2Cl6
- D.NH3
- Answer
- Report
Answer : [A,B,C,D]
19.
Which of the following species have tetrahedral structures?
- A.B2H6
- B.B3N3H6
- C.BH-4
- D.AlCl-4
- Answer
- Report
Answer : [C,D]
20.
Which of the following compounds react with B2H6?
- A.Cl2
- B.CO
- C.NH3
- D.(CH3)3N
- Answer
- Report
Answer : [A,B,C,D]
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