Explore topic-wise MCQs in Engineering Chemistry.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Chemistry knowledge and support exam preparation. Choose a topic below to get started.

1.

In glyceraldehydes, the complete sequence of priority is _________

A. OH &gt; -CH<sub>2</sub>OH &gt; -CHO &gt; -H
B. H &gt; -CH<sub>2</sub>OH &gt; -CHO &gt; -OH
C. H &gt; OH &gt; -CH<sub>2</sub>OH &gt; -CHO
D. OH &gt; CHO &gt; -CH<sub>2</sub>OH &gt; -H
Answer» E.
2.

The cis-trans nomenclature is not applicable when _________

A. The different groups attached to the carbon atom of double bond are same
B. Atleast one of the group attached to each carbon atom is same
C. The different groups attached to the carbon atom of double bond are not same
D. The cis-trans nomenclature is applicable for all compounds
Answer» D. The cis-trans nomenclature is applicable for all compounds
3.

Select the incorrect option from the following.

A. Fischer projections are two dimensional representations of three dimensional molecules
B. A molecule is achiral if it cannot be superimposed on its mirror reflection
C. E and Z notations are based on Cahn, Ingold and Prelog priority system
D. Chiral molecules which are non-superimposable mirror images of each other are enantiomers
Answer» C. E and Z notations are based on Cahn, Ingold and Prelog priority system
4.

What are Stereoisomers?

A. Isomers having a same molecular formula and same configuration
B. Isomers having a same molecular formula but different configuration
C. Isomers having a different molecular formula but the same configuration
D. Isomers having a different molecular formula and different configuration
Answer» C. Isomers having a different molecular formula but the same configuration