Explain your answers please ome CHEM151 SP18 001 D... K Abd 3. The picture shown

Question

Explain your answers please ome CHEM151 SP18 001 D... K Abd 3. The picture shown here is of a classical dipole. Two charges, +q and -q separated by a distance d. The unit of the dipole is the Debeye (D). The larger the number D, the larger the charge separation (either charge or distance). Pick the bond with the largest value of dipole moment. A) C-N 4. Polarizability is a measure of the distortion of the electron cloud which is a function of number of electrons and the size/volume in which they are occupied. Which system is the most polarizable given this definition? C2H6 (18e,18 p.) 5%(26e, 26 p.) CH,(10e,10p) 0 C4H10(34e, 34 p.) Page 1 of 1

Explanation / Answer

3) The answer is option C.Though CN triple bond suggest that its bond lenght is smallest among three there is an electronic factor that plays the role.for CN tripple bond along with the sigma moment(direction is from C to N) there are two more pi moment along sigma moment direction.Thus the resultant moment is high for CN.As clearly seen that all three have same sigma moment but C-N has no piI moment and C=N has only 1 pi moment along with the the sigma.

4) The answer is D.As by the given definition it has the highes number of electron and it has highest volume.

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