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Chapter 1: Q.1-1-25b (page 27)

Why can鈥檛 molecules with the following formulas exist

a) CH5 (b)C2H6N(c)C3H5Br

Short Answer

Expert verified

Answer

The formula C2H6Ncan鈥檛 exist.

Step by step solution

01

Stability of molecule

A structure formed by the guidelines of octet and valence electrons is considered stable. In contrast, a system with atoms without an entire outer shell of electrons is unstable.

02

Given molecule can’t exist

The formulaC2H6N requires that carbon exceeds four bonds, or be short of two outer shell electrons or nitrogen should remain except for three bonds.

03

Evidence for non-existence

The structures are represented as follows.

C-N bond formation

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Most popular questions from this chapter

Propose skeletal structures for compounds that satisfy the following molecular formulas. There is more than one possibility in each case.

(a) C5H12

(b) C2H7N

(c)C3H6O

(d)C4H9Cl

Draw a three-dimensional representation of the oxygen-bearing carbon atom in ethanol, using the standard convention of solid, wedged, and dashed lines.

Tell how many hydrogens are bonded to each carbon in the following compounds, and give the molecular formula of each substance:

a.

b.

Give the ground-state electron configuration for each of the following elements:

(a) Oxygen (b) Nitrogen (c) Sulfur

Tell the number of hydrogens bonded to each carbon atom in the following substances, and give the molecular formula of each:

(a)

(b)

(c)
See all solutions

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