Hydrocarbons: Alkanes - Reactions of Haloalkanes - Nucleophilic Substitution Reactions

Predict all the alkenes that would be formed by dehydrohalogenation of the following halides with sodium ethoxide in ethanol and identify the major alkene:

2,2,3-Trimethyl-3-bromopentane.

Which would undergo S_N2 reaction faster in the following pair and why ?

CH₃ – CH₂ ​– Br and CH₃ ​– CH₂ ​– I

In a coordination entity of the type [PtCl₂(en)₂]²⁺ which isomer will show optical isomerism?

AgCN reacts with haloalkanes to form isocyanide. Haloalkanes react with KCN to form alkyl cyanides as the main product. Why?

In the reaction, \[\ce{R - X + NaOR' -> ROR’ + X}\] ( – ve ion). The main product formed is:

Which compound in the following pair reacts faster in S_N2 reaction with OH^–?

1. CH₃Br or CH₃
2. CH₃Cl, (CH₃)₃CCl

Arrange the following organic compounds in descending order of their reactivity towards S_N1 reaction.

C₆H₅CH₂Br, C₆H₅CH(C₆H₅)Br, C₆H₅CH(CH₃)Br, C₆H₅C(CH₃)(C₆H₅)Br

Which of the following is optically inactive?