Alkyl Halides - Chapter No 16

Right Answers have been shown below in red color.

1. When we replace one hydrogen atom of alkane with halogen atom then the compound formed, is called _________.

a) Alkyl halide
b) Organic compound
c) Inorganic compound
d) Carbon compound

2. The general formula for alkyl halide is ___________.

a) CnH2n+3
b) CnH2n+1X
c) CnH2nX
d) Cnh2n+5X

3. Primary Ethyl chloride is the example of ___________ alkyl halide.

a) Secondary
b) Triple
c) Primary
d) Halogen

4. 2-propyl chloride is the example of ___________ alkyl halide.

a) Primary
b) Triple
c) Halogen
d) Secondary

5. The decreasing order of reactivity of halogens acid is ___________.

a) HI > HBr > HCl
b) HI > HNO3 > H2SO4
c) HI > HNO3 < HCl
d) HI < H2SO4 < HNO

6. CH2 = CH2 + HBr → ___________.

a) CH3 ≡ CH3 –Br.
b) CH3 – CH2 – Br.
c) CH3 – CH3 – Br.
d) CH3 – CH2 – HBr

alkyl halides - chemistry mcqs (1)

a) CH3 – CH2 – Cl + H2O
b) CH3 – CH3 – OH + HCl
c) CH3 – Cl + H2O
d) None of these

a) CH3 – CH2 – CH3 + 2NaCl + SO2
b) C2H5Cl + SO2 + HCl
c) C2H5 + SO2 + 2HCl
d) None of these

9. The formula for phosphorous acid is __________.

a) CH3OH
b) HNO3.
c) H2SO4
d) H3PO3

alkyl halides - chemistry mcqs (3)

a) CH3Cl + HCl
b) CH4Cl + HCl
c) CH2Cl2 + HCl
d) None of these

11. When alkyl halides are treated with “Zn” and dil-HCl then _________ are formed.

a) Alkenes
b) Halogens
c) Alkanes
d) None of these

12. When alkyl halides are reacted with alcoholic “KOH” at 100ºC then __________ are formed.

a) Alkenes
b) Alkanes
c) Halogens
d) Primary amines

13. The general formula for primary amines is ____________.

a) R2NH
b) RNH2
c) R – N – OH
d) None of above

14. The general formula for secondary amines is ____________.

a) R2NH
b) R2N2
c) RNH2
d) None of above

15. The general formula for tertiary amines is ____________.

a) R3N
b) R2HX
c) RH2NH3
d) None of these

16. The formula for ethyl alcohol is ____________.

a) CH3OH
b) C2H5OH.
c) CH3Cl
d) None of these

17. The formula for propoinic acid is _____________.

a) C2H5COOH
b) CH3COOH
c) C2H5OH
d) None of these

18. C2H5 + is the example of ___________.

a) Electrophile
b) Nucleophile
c) Protons
d) None of these

19. Nucleophilic substitution reaction is represented as ___________.

a) SN2 – reaction
b) SN – reaction
c) SN3 – reaction
d) None of these

20. Tertiary alkyl halides give ___________ reaction.

a) SN1 – reaction
b) Sn2reaction
c) SN3 reaction
d) None of these

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