Assertion :Conversion of alkyl halides into alkyl cyanide or isocyanides is a nucleophilc substitution reaction. Becuase Reason: When an alkyl halide is treated with alcoholic solution of $A g C N$ , alkyl cyanides are formed as major product.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
The reaction type is an $S N^{2}$ reaction whereby the alkylhalide is attacked by the more nucleophilic carbon atom of the cyanide ion.
When silver cyanide is reacted with diethyl ether as a solvent the reaction runs according to an $S N^{1}$ reaction mechanism: the product is mainly isonitrile due to the attack of the more nucleophilic nitrogen atom. It is called the Kolbe nitrile synthesis is a method for the preparation of alkyl nitriles by reaction of the corresponding alkylhalide with a metal cyanide.

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Assertion (A) IUPAC name of the compund
$C H_{3} - C H | C H_{3} - O - C H_{2} - C H_{2} - C H_{3}$ is 2-ethoxy-2-methylethane
Reason (R) In IUPAC nomenclature, ether is regarded as hydrocarbon derivative in which a hydrogen atom is replaced by - OR or - 0AR group [where, R = alkyl group and Ar = aryl group].
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

Q. Assertion: The impurities such as

{SiO}_{2}

present in iron ore is removed by

{CaCO}_{3}

.

Reason:

CaO

formed by decomposition of

{CaCO}_{3}

reacts with

{SiO}_{2}

to form slag.

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

Q. Assertion: The compressibility factor for

H_{2}

and

H e

(1 + \frac{P b}{R T})

Reason: The compressibility factor for

H_{2}

and

H e

can be derived from Van der Waal's equation.

Assertion (A) Boiling points of alcohols and ethers are high.
Reason (R) They can form intermolecular hydrogen-bonding.
(a) Assertion and reason both are correct and reason is correct explanation of assertion.
(b) Assertion and reason both are wrong statements.
(c) Assertion is correct statement but reason is wrong statement.
(d) Assertion is wrong statement but reason is correct statement.
(e) Both assertion and reason are correct statements but reason is not correct explanation of assertion.

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Assertion :Conversion of alkyl halides into alkyl cyanide or isocyanides is a nucleophilc substitution reaction. Becuase Reason: When an alkyl halide is treated with alcoholic solution of AgCN, alkyl cyanides are formed as major product.

Assertion :Conversion of alkyl halides into alkyl cyanide or isocyanides is a nucleophilc substitution reaction. Becuase Reason: When an alkyl halide is treated with alcoholic solution of $A g C N$ , alkyl cyanides are formed as major product.