Organic Chemistry Test

Isomerism that arises out of the difference in spatial arrangement of atoms or groups about the doubly bonded carbon atoms are called?

• Structural Isomerism

• Stereoisomerism

• Geometrical Isomerism

• Optical Isomerism

How to determine that a molecule exhibit cis-trans isomerism?

• Restricted rotation in a carbon-carbon single bond of alkenes

• Each carbon of a site of restricted rotation has 2 different atoms or groups attached to it

• Exist in cyclic compouds only

• Similar chemical properties

Isomerism exhibited by acetic acid and methyl formate is

• position

• chain

• functional

• metamerism

Which of the following compound(s) exhibit(s) cis-trans isomerism?

(1) 1,2-dibromo-1,2-dichloroethene

(2) 3,3-dibromo-2-chloropropene

(3) 1,2-dichloropropene

• (1) only

• (2) only

• (1) and (3) only

• (2) and (3) only

Which of the following compounds exhibits stereoisomerism?

• Butanal

• Propenoic acid

• 1-bromohexane

• 3,4-dichloropent-1-ene

Which of the following compounds is the enantiomer of the above compound?

• 
• 
• 
• All of them.

Classify the compound based on the functional group present.

• Ketone

• Carboxylic acid

• Ester

• Ether

The two Geometric isomers shown are called:

• Cis/trans 1,2 dichloroethane

• Cis/trans 1,2 dichloroethene

• Cis/trans 1,2 chloroethane

• Cis/trans 1,2 chloroethene

Which of the following isomerism is a special type of position isomerism?

•  metamerism   

• tautomerism 

• conformational isomerism  

• optical isomerism

Unknown compound X on hydration by conc. H₂S0₄ gives' Y. the compound Y on Oxidation gives acetone The compound X is,

• CH₃CH=CH₂   

• CH₃CHOHCH₃

• CH₃CH₂OH

• CH₂=CH₂