4. What is the electron domain geometry and ideal bond angle for a molecule that

Question

4. What is the electron domain geometry and ideal bond angle for a molecule that has 2 electron domains around the central atom?

a.trigonal planar, 120°

b.trigonal planar, 180°

C.linear, 180°

d.tetrahedral, 109.5°

5. What is the hybridization of carbon in the CH4 molecule?

.

a.sp3hybridization

b. sp hybridization

C. sp2 hybridization

D. sp4 hybridization

6. A 1.8 mole sample of an ideal gas is contained in a 3.6 L vessel at 26°C. What is the pressure of the gas?

A.0.081 atm

B.17 atm

C.12 atm

D. 9.0 atm

a.sp3hybridization

Explanation / Answer

4)
It is sp hybridised and hence it will be linear
Answer: C.linear, 180°

5)
CH4 is sp3 hybridised since it is forming 4 bonds
Answer: a.sp3hybridization

6)
n = 1.8
V = 3.6 L
T = 26 oC = (26 + 273) K =299 K
use:
P*V = n*R*T
P*3.6 = 1.8*0.0821*299
P = 12.3 atm
Answer: C

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