List of top Chemistry Questions on Stereochemistry

Heat of atomisation of CH$_4$(g) and C$_2$H$_6$(g) are $x$ kJ/mol and $y$ kJ/mol respectively. Find the maximum wavelength of photon required to dissociate C–C bond in C$_2$H$_6$.

Consider the following reaction

The number of stereoisomer(s) formed during this reaction will be

Which of the following molecule is chiral in nature?

The heat of atomisation of methane and ethane are $ x $ kJ mol$^{-1}$ and $ y $ kJ mol$^{-1}$ respectively. The longest wavelength ($ \lambda $) of light capable of breaking the C–C bond can be expressed in SI unit as:

How many different stereoisomers are possible for the given molecule?

Which of the following is true for the stereochemical relationship of the given structures (A-D)?

Consider the following molecule (X).

The Structure X is?

Identify the number of structure/s from the following which can be correlated to D-glyceraldehyde.

Assertion (A): All naturally occurring $\alpha$-amino acids except glycine are optically active. Reason (R): Most naturally occurring amino acids have L-configuration.

(a) Define the following:
(i) Enantiomers
(ii) Racemic mixture

Assign the R and S configuration to the following molecule.

Choose the correct answer from the options given below:

The correct order of the stability of different conformations of cyclohexane is:
(A). chair
(B). boat
(C). twist boat
(D). half chair
Choose the correct answer from the options given below:

Which of the following represent(s) the enantiomer of Y?

Total number of optically active compounds from the following is _______.

Number of optical isomers possible for 2 – chlorobutane ________

$\text{2-chlorobutane} + \text{Cl}_2 \rightarrow \text{C}_4\text{H}_8\text{Cl}_2 \, (\text{isomers})$
$\text{Total number of optically active isomers shown by} \, \text{C}_4\text{H}_8\text{Cl}_2, \, \text{obtained in the above reaction is} \, \_\_\_\_\_\_.$

Total number of compounds with Chiral carbon atoms from following is ________.

$\text{CH}_3 - \text{CH}_2 - \text{CH(NO}_2\text{) - COOH} \\ \text{CH}_3 - \text{CH}_2 - \text{CHBr - CH}_2 - \text{CH}_3 \\ \text{CH}_3 - \text{CH(I) - CH}_2 - \text{NO}_2 \\ \text{CH}_3 - \text{CH}_2 - \text{CH(OH) - CH}_2\text{OH} \\$

The number of stereoisomers possible for 1,2-dimethyl cyclopropane is :

The dihedral angle in staggered form of 1,1,1-Trichloro ethane is ________ degree. (Round off to the Nearest Integer).

The compound(s) showing optical activity is/are