$$ \text { What is the correct IUPAC name of } $$

?

Given below are two statements :

Statement I : Hyperconjugation is not a permanent effect.

Statement II : In general, greater the number of alkyl groups attached to a positively charged Catom, greater is the hyperconjugation interaction and stabilization of the cation.

In the light of the above statements, choose the correct answer from the options given below

$$ \text {Identify the correct statements from the following. } $$

$$ \text {Choose the correct answer from the options given below: } $$

$$ \text { The least acidic compound, among the following is: } $$