+91-8076753736[email protected]
logo
logo
-->

The P-Block Elements

Question
CBSEENCH11007281
Wired Faculty App

What is the action of:
(a) H2O (b) LiH on B2H6?

Solution

(a) Action with water: Diborane is readily hydrolysed by water liberating H2 gas.
straight B subscript 2 straight H subscript 6 space plus space 6 straight H subscript 2 straight O space space rightwards arrow space space stack 2 straight H subscript 3 BO subscript 3 with Boric space acid below space plus space 6 straight H subscript 2
(b) Action with LiH: Diborane reacts with Lithium hydride in diethyl ether forming lithium borohydride.
  2 LiH space plus space straight B subscript 2 straight H subscript 6 space space rightwards arrow space space space stack 2 LiBH subscript 4 with Lithium space borohydride below

Some More Questions From The p-Block Elements Chapter

Name the element of group 13 which forms only covalent compounds.

Which element of group 13 forms amphoteric hydroxide?

Which element of group 13 forms the most stable +1 oxidation state?

What is the nature of boron trifluoride?

What is the structure of diborane?

Can borax bead test be performed for Ca2+ ion?

Which is the hardest compound of boron?

What is inorganic benzene? Write its formula. 

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation