Pyramid PB-301 Manual do Utilizador descarregar pdf (Página 2)

2

2. (8 pts.) Rank in order of increasing bond strength (weakest on the left, strongest on the right).

a. N–H P–H As–H

As–H < P–H < N–H

b. N–NH

2

P–NH

2

As–NH

2

As–NH

2

< N–NH

2

< P–NH

2

3. (15 pts.) Give the point groups for the following:

a. XeF

4

D

4h

b.

____________

N

N

N

C

3h

c. HCN C

∞v

CC

H

H

d.

____________

C

H

H

D

2d

CC

Cl

Cl

H

Cl

e.

____________

C

s

1 2 3 4 5 6

____________ 2

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