Q 1 :    

IUPAC name of following compound (P) is:                  [2024]

• 1,1-Dimethyl-3-ethylcyclohexane

   

• 3-Ethyl-1,1-dimethylcyclohexane

   

• 1-Ethyl-3,3-dimethylcyclohexane

   

• 1-Ethyl-5,5-dimethylcyclohexane

   

Q 2 :    

Cyclohexene  is ______ type of an organic compound.                       [2024]

• Alicyclic

   

• Benzenoid aromatic

   

• Benzenoid non-aromatic

   

• Acyclic

   

Q 3 :    

The molecular formula of second homologue in the homologous series of mono carboxylic acids is ______.               [2024]

• ${\mathrm{C}}_3{\mathrm{H}}_6{\mathrm{O}}_2$

   

• ${\mathrm{C}}_2{\mathrm{H}}_4{\mathrm{O}}_2$

   

• ${\mathrm{CH}}_2\mathrm{O}$

   

• ${\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{O}}_2$

   

Q 4 :    

Bond line formula of $\mathrm{HOCH}{\left(\mathrm{CN}\right)}_2$ is:                           [2024]

Q 5 :    

According to IUPAC system, the compound  is named as                 [2024]

• Cyclohex-1-en-3-ol

   

• Cyclohex-2-en-1-ol

   

• Cyclohex-1-en-2-ol

   

• 1-Hydroxyhex-2-ene

   

Q 6 :    

Structure of 4-Methylpent-2-enal is:                           [2024]

Q 7 :    

IUPAC name of following compound is:                             [2024]

• 2-Aminopentanenitrile

   

• 2-Aminobutanenitrile

   

• 3-Aminobutanenitrile

   

• 3-Aminopropanenitrile

   

Q 8 :    

Given below are two statements:                                                            [2024]

Statement I: IUPAC name of

is 7-hydroxyheptan-2-one.

Statement II: 2-oxoheptan-7-ol is the correct IUPAC name for above compound.

In the light of the above statements, choose the most appropriate answer from the options given below:

• Statement I is correct but Statement II is incorrect.

   

• Statement I is incorrect but Statement II is correct.

   

• Both Statement I and Statement II are correct.

   

• Both Statement I and Statement II are incorrect.

   

Q 9 :    

Identify structure of 2,3-dibromo-1-phenylpentane.                               [2024]

Q 10 :    

Number of $\mathrm{\sigma }$ and $\mathrm{\pi }$ bonds present in ethylene molecule is respectively:                  [2024]

• 4 and 1

   

• 5 and 1

   

• 5 and 2

   

• 3 and 1