
(a)
Interpretation:
The molecule B4H10should be shown as an electron-deficient.
Concept introduction:
Tetraborane was initial boron hydride compound which is categorized in the year 1912 by Stock and Messenez. It contains low boiling point 18 °C and at room temperature it is gas. Tetraborane is toxic and foul smelling.
(b)
Interpretation:
The number of bridge bonds present in B4H10 should be determined.
Concept introduction:
Tetraborane was the first boron hydride compound to be classified by Stock and Messenez in 1912 and was first isolated by Alfred Stock. It has a relatively low boiling point at 18 °C and is a gas at room temperature. Tetraborane gas is foul smelling and toxic.
(c)
Interpretation:
The butane, C4H10 is not electron deficient should be shown.
Concept introduction:
Tetraborane was the first boron hydride compound to be classified by Stock and Messenez in 1912 and was first isolated by Alfred Stock. It has a relatively low boiling point at 18 °C and is a gas at room temperature. Tetraborane gas is foul smelling and toxic.

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Chapter 21 Solutions
General Chemistry: Principles and Modern Applications, Loose Leaf Version (11th Edition)
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- Indicate the products obtained if (E)-2-butenal and 3-oxo-butanenitrile are mixed with sodium ethoxide in ethanol.arrow_forwardQuestion 3 (4 points), Draw a full arrow-pushing mechanism for the following reaction Please draw all structures clearly. Note that this intramolecular cyclization is analogous to the mechanism for halohydrin formation. COH Br + HBr Brarrow_forwardIndicate the products obtained if 2,2-dimethylpropanal and acetaldehyde are mixed with sodium ethoxide in ethanol.arrow_forward
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