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Question: Identify the type of reaction. (i)\(HCHO + HCN \rightarrow CH_{2}(OH)CN\) (ii) \(CH_{3}Cl + KOH_{(...

Identify the type of reaction.

(i)HCHO+HCN→CH2(OH)CNHCHO + HCN \rightarrow CH_{2}(OH)CN

(ii) CH3Cl+KOH(aq)→CH3OH+KClCH_{3}Cl + KOH_{(aq)} \rightarrow CH_{3}OH + KCl

(iii) CH3N=NCH3→HeatCH3−CH3+N2CH_{3}N = NCH_{3}\overset{\quad Heat\quad}{\rightarrow}CH_{3} - CH_{3} + N_{2}

(iv) CH3CH(Br)−CH(Br)−CH3+Zn→CH_{3}CH(Br) - CH(Br) - CH_{3} + Zn \rightarrow CH3CH=CHCH3+ZnBr2CH_{3}CH = CHCH_{3} + ZnBr_{2}

A

(i) – Substitution, (ii) – Addition,

(iii) – Elimination, (iv) – Elimination

B

(i) – Addition, (ii) – Substitution,

(iii) Decomposition, (iv)- Elimination

C

(i) – Addition, (ii) – Addition,

(iii) – Substitution , (iv) – Substitution

D

(i) – Substitution, (ii) – Elimination,

(iii) – Addition,, (iv) – Substitution

Answer

(i) – Addition, (ii) – Substitution,

iiiiii Decomposition, (iv)- Elimination

Explanation

Solution

: (i) – Addition, (ii) – Substitution,

(iii) – Decomposition, (iv) – Elimination