Chemistry Test 27

Result

Chemistry Test 27

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Weekly Quiz Competition

Question 1
4 / -1

Which of the following solutions has the maximum pH value?

A
0.2 M HNO₃

B
0.2 M HCl

C
0.2 M CH₃COOH

D
0.2 M CH₃COONa

Solution

Sodium acetale solution is alkaline and thus has maximum pH.
Question 2
4 / -1

Which one of the following molecular hydrides acts as a Lewis acid ?

A
NH₃

B
H₂O

C
B₂H₆

D
CH₄

Solution

The electron deficient molecules behave as Lewis acid.

Diboranedoes not have a complete octet and is electron deficient. Thus, it acts as a Lewis acid.

NH₃ and H₂O electron rich molecules and therefore they behave as Lewis base.