Chemistry Organic Chemistry Alkyl Halides MCQs Quiz Test 17

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1. Alkanes can be prepared an Grignard’s reagent with:

All (Answer)
Water
HCN
NH3

2. Grignard reagent is reactive due to:

None of above
The polarity of C- Mg bond (Answer)
The presence of halogen atom
The presence of Mg atom

3. Monohaloalkanes have halogen atoms in it:

One (Answer)
Two
Four
Three

4. Reaction of Grignard’s reagent with aldehyde gives:

Primary alcohol (Answer)
Tertiary alcohol
Secondary alcohol
Ethanoic acid

5. Alkanes with same number of carbons as in Grignard’s reagent can be prepared by its reaction with:

HCN
All (Answer)
Water
NH3

6. SN2 reactions can be best carried out with:

All the three
Pri. Alkylhalide (Answer)
Sec. Alkyl halide
Ter. Alkyl halide

7. Halokanes are:

Dihaloalkanes
Monohaloalkanes
Trihaloalkanes
All (Answer)

8. Dehalokanes have halogen atoms in it:

Three
Two (Answer)
One
Four

9. When CO2 is made to react with ethyl magnesium iodide, followed by hydrolysis, the product formed is:

Propanol
Propanal
Propane
Propanic acid (Answer)

10. Reaction of CO2 with Grignard’s reagent gives:

Ethanone
Ethanol
Ethanoic acid (Answer)
Ethanal

11. Which one of the following is not a nucleophile?

BF (Answer)
H2S
NH3
H2O

12. Trihaloalkanes have number of halogen atom (s):

Four
Three (Answer)
One
Two

13. Alkanes can be prepared an Grignard’s reaction with:

Water
R----X
Ammonia
All (Answer)

14. In primary alkyl halides, the halogen atom is attached to a carbon which is attached to how many carbon atoms?

Two
Four
One (Answer)
Three

15. Monohaloalkanes are also called:

Alkyl halides (Answer)
Alcohols
Halokanes
Ester