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

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:

Which of the following is a disaccharide?

The sugar that is characteristic of milk is ____________.

Which one is a disaccharide?

The commonest disaccharide has the molecular formula:

Maltose and glucose are ____________.

Sucrose on hydrolysis gives:

The boiling point of an azeotropic mixture of water and ethanol is less than that of water and ethanol. The mixture shows ____________.

S_N1 reaction of alkyl halides lead to ___________.

Identify the end product (C) in the following sequence:

\[\ce{C2H5OH ->[SOCl2][Pyridine] A ->[KCN {(alc.)}] B ->[2H2O/H^+] C}\]

Identify X and Y in the following sequence:

\[\ce{C2H5Br ->[X] Product ->[Y] C3H7NH2}\]