Science (English Medium) इयत्ता १२ - CBSE Question Bank Solutions for Chemistry

Which one of the following halogen compounds is difficult to be hydrolysed by S_N1 mechanism?

The order of reactivity of the given haloalkanes towards nucleophile is:

Most reactive halide towards S_N1 reaction is ____________.

In the S_N1 reaction, racemization takes place. It is due to:

The order of reactivities of the following alkyl halides for an S_N2 reaction is:

Optically active isomers but not mirror images are called ____________.

S_N2 mechanism proceeds through intervention of ____________.

Which among MeX, RCH₂X, R₂CHX and R₃CX is most reactive towards S_N2 reaction?

Isopropyl chloride undergoes hydrolysis by:

Tertiary alkyl halides are practically inert to substitution by S_N2 mechanism because of ____________.

Which of the following is the correct order of decreasing S_N2 reactivity?

Which of the following is an optically active compound?

An important chemical method to resolve a racemic mixture makes use of the formation of ______.

The process of separation of a racemic modification into d and l-enantiomers is called ____________.

Which of the following compounds is optically active?

Racemic compound has ____________.

2-Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is ____________.

An organic molecule necessarily shows optical activity if it ____________.

Which of the following is a chiral compound?

Among the following, the dissociation constant is highest for: