Q 1 :    

Given below are two statements :                                              [2025]

Statement (I): Neopentane forms only one monosubstituted derivative.

Statement (II): Melting point of neopentane is higher than $n$-pentane.

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

   

• Both Statement I and Statement II are correct

   

• Both Statement I and Statement II are incorrect

   

• Statement I is incorrect but Statement II is correct

   

Q 2 :    

Isomeric hydrocarbons → negative Baeyer’s test (Molecular formula ${\mathrm{C}}_9{\mathrm{H}}_{12}$)

The total number of isomers from above with four different non-aliphatic substitution sites is _____.            [2025]