ALKYL HALIDES

16
Created on By buzzerkings

ALKYL HALIDES

1 / 52

The total number of alkenes possible by dehydrobromination of 3-Bromo-3- cyclopentylhexane using alcoholic KOH is: 

2 / 52

Tertiary alkyl halides are practically inert to substitution by SN2 mechanism because of:

3 / 52

Which statements apply to an SN2 reaction? 

(I) The rate determining step of the reaction involves the alkyl halide and the nucleophile. 

(II) The order of reactivity is methyl >1°>2°>3° 

(III) The rate limiting step of the reaction involves only the alkyl halide

(IV) There is an intermediate carbocation

4 / 52

CCl4 is used as a fire extinguisher because:

5 / 52

If chloroform is left open in air in the presence of sun rays:

6 / 52

Organic halogen compoundsised as solvents in industry are:

7 / 52

Which of the following is not a secondary alkyl halides?

8 / 52

The carbon atom to which the halogen is attached can be:

9 / 52

High temperature favours elimination reactions over substitution reactions due to:

10 / 52

Non-sticking frying pan are coated with teflon which is:

11 / 52

Which of the following reactants will yield ethane?

12 / 52

Preparation of CHCl3 from ethanol and bleaching powder involves:

13 / 52

Among the halogen derivatives of ethane, the one which has the highest boiling point is:

14 / 52

Which of the following is known as camphor substitute? 

15 / 52

Which one of the following is used as a general anaesthetic in place of diethyl ether?

16 / 52

Gammhexane is the name given to:

17 / 52

The product formed by the reaction between 2, 2,2-Trichloroehtanal (Chloral) and chlorobenzene in H2SO4 is:

18 / 52

Fire extinguisher Pyrene is: 

19 / 52

A sample of chloroform which is being used by doctors as anesthetic is generally tested by:

20 / 52

Chloroform can be used in medicine as:

21 / 52

The number of asymmetric carbon atoms in tartaric acid is: 

22 / 52

Reagent is not used to prepare an alkyl halide from an alcohol is: 

23 / 52

SN2 mechanism proceeds through the intervention of:

24 / 52

In alkaline hydrolysis of a tertiary halide by aqueous alkali, if concentration of alkali is doubled, then the reaction rate:

25 / 52

Chloropicrin is used as:

26 / 52

The reaction of methyl bromide with aq. KOH to form methyl alcohol is: 

27 / 52

Arrange the following halides in the decreasing order of SN1 reactivity: 

(I) CH3CH2CH2Cl (II) CH2=CHCH(Cl) (III) CH3,CH3CH2CH(Cl)CH3

28 / 52

Butanenitrile is formed by reaction of KCN with:

29 / 52

Thionyl chloride is preferred in the preparation of chlorine compounds from alcohols because:

30 / 52

Haloform is represented as:

31 / 52

In the reaction 1-Chloro-2-methylpropane + aq. KOH X + KCl identify X

32 / 52

The reaction of t-Butyl bromide with sodium methoxide produces mainly: 

33 / 52

Slow oxidation of chloroform in air leads to:

34 / 52

The reaction between alkyl halides and sodium metal is called:

35 / 52

Ethyl chloride on treatment with aqueous alkali gives:

36 / 52

Thionyl chloride reacts with monohydric alcohols to gives:

37 / 52

Which of the following alkyl halides undergo SN1 reaction fastest?

38 / 52

Isocyanide test is given by:

39 / 52

Which of the following alkyl halides undergoes elimination reaction readily?

40 / 52

Alkyl halides undergo:

41 / 52

Which of the following reagent reacts with alkyl halide to give side product SO₂?

42 / 52

Which alky halide has maximum density? 

43 / 52

Which of the following alkyl halides is heavier?

44 / 52

Compounds X on heating with alcoholic potash gives (CH3)3 C-CH=CH2. The compound X is: 

45 / 52

Iodoform gives a white ppt. with AgNO3 on heating but chloroform does not because:

46 / 52

Preparation of alkyl halides by halogenation of alkanes is not a convenient method because the reaction is: 

47 / 52

The order of reactivity of alkyl halide is as follow:

48 / 52

The general formula of alkyl halide is:

49 / 52

Identify tertiary alkyl halide from the following compounds:

50 / 52

Alkyl halides cannot exhibit ___ isomerism.

51 / 52

Alkyl halides are classified on the basis of: 

52 / 52

Which of the following is monohalogen derivative of alkane?

Your score is

The average score is 54%

0%

Leave a Comment

Your email address will not be published. Required fields are marked *