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Q.

Identify the correct statement for B2H6 from those given below 

(i) In B2H6, all B-H bonds are equivalent.
(ii) In B2H6 there are four 3-centre-2-electron bonds.
(iii) B2H6 is a Lewis acid.
(iv) B2H6 can be synthesized form both BF3 and NaBH4.
(v) B2H6 is a planar molecule
Choose the most appropriate answer from the options given below:

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a

(iii) and (iv) only

b

(i) and (iv) Only

c

(ii), (iii) and (iv) only

answer is C.

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Detailed Solution

Question Image

 

 

 

 

 

 

Two 3 centre-2-electron bonds

(C) B2H6 is e− deficient species

(E) B2H6 is non-Planar molecules

(D) BF3+LiAlH4→2B2H6+3LiF+3AlF 3

NaBH4+I2→B2H6+2NaI+H2

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