Advertisements
Advertisements
Question
Assertion: KCN reacts with methyl chloride to give methyl isocyanide.
Reason: CN– is an ambident nucleophile.
Options
Assertion and reason both are correct and reason is correct explanation of assertion.
Assertion and reason both are wrong statements.
Assertion is correct but reason is wrong statement.
Assertion is wrong but reason is correct statement.
Assertion and reason both are correct statements but reason is not correct explanation of assertion.
Advertisements
Solution
Assertion is wrong but reason is correct statement.
Explanation:
\[\ce{\underset{Alkyl cyanide}{R - Cl + KCN –> R - CN + KCl}}\]
Isocyanide is not obtained in this reaction. CN– is an ambident nucleophile.
APPEARS IN
RELATED QUESTIONS
Write the structure of the major product in each of the following reaction :
What happens when chlorobenzene is subjected to hydrolysis?
What happens when methyl chloride is treated with KCN?
How the following conversion can be carried out?
Ethyl chloride to propanoic acid.
Given reasons: SN1 reactions are accompanied by racemization in optically active alkyl halides.
Identify 'A' in the following reaction -
(a) 2- Bromo-2 methylbutane
(b) 1 -Bromo-2,2-dimethylpropane
(c) 1 - Bromo - 3 -methylbutane
(d) 1 - Bromo- 2 -methylpropane
Which would undergo SN2 reaction faster in the following pair and why ?
CH3 – CH2 – Br and CH3 – CH2 – I
AgCN reacts with haloalkanes to form isocyanide. Haloalkanes react with KCN to form alkyl cyanides as the main product. Why?
Which of the following reactions is an example of nucleophilic substitution reaction?
SN2 mechanism proceeds through intervention of ____________.
The process of separation of a racemic modification into d and l-enantiomers is called ____________.
SN1 reaction of alkyl halides lead to ___________.
Which of the following statements are correct about this reaction?
(i) The given reaction follows SN2 mechanism.
(ii) (b) and (d) have opposite configuration.
(iii) (b) and (d) have same configuration.
(iv) The given reaction follows SN1 mechanism.
Ethylene chloride and ethylidene chloride are isomers. Identify the correct statements.
(i) Both the compounds form same product on treatment with alcoholic KOH.
(ii) Both the compounds form same product on treatment with aq.NaOH.
(iii) Both the compounds form same product on reduction.
(iv) Both the compounds are optically active.
Which of the compounds will react faster in SN1 reaction with the –OH ion?
\[\ce{CH3-CH2-Cl}\] or \[\ce{C6H5-CH2-Cl}\]
Elimination reactions (especially β-elimination) are as common as the nucleophilic substitution reaction in case of alkyl halides. Specify the reagents used in both cases.
Which one of the following compounds is more reactive towards SN1 reaction?
The number of chiral alcohol (s) with molecular formula C4H10O is ______.
Which of the following compounds will show retention in configuration on nucleophile substitution by OH− ion?
