Anomalous Behaviour of Boron - Practice Questions & MCQ

 NO⁺ is not isoelectronic with O₂       
 

 B  is  always  covalent  in  its    compounds          
      

 In aqueous solution, the Tl⁺ ion is  much more stable than Tl (III)         
 

 LiAlH₄ is a versatile reducing agent    in organic synthesis.     

75 pm

300 pm

240 pm

152 pm

Strong van der Waal's interaction in Boric acid

Strong covalent bond in BF3

Strong ionic bond in Boric acid

Strong hydrogen bond in Boric acid

Both Statement I and Statement II are incorrect

Statement I is incorrect but Statement II is correct

Statement I is correct but Statement II is incorrect

Both statement I and Statement II are correct

Because of back bonding in , it will be less.
 

because of back bonding, it will be more in
 

same as in
 

Because exists as dimer, it will be more.

Lewis acid

Lewis Base

Bronsted Acid

Bronsted Base

$B F_4^{-}$

$B F_6^{-3}$

$\mathrm{B}(\mathrm{OH})_4^{-}$

None of these

less electropositive character of Boron

High electronegativity of Boron

The smaller size of Boron

High electron affinity of Boron