Q.75) The correct order of decreasing acidity of the following aliphatic acids is :
A) $$
\mathrm{HCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>
$$
$$
\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\mathrm{CH}_3 \mathrm{COOH}
$$
B) $$
\begin{aligned}
& \left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}> \\
& \mathrm{CH}_3 \mathrm{COOH}>\mathrm{HCOOH}
\end{aligned}
$$
C) $$
\begin{aligned}
& \mathrm{CH}_3 \mathrm{COOH}>\left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}> \\
& \left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}>\mathrm{HCOOH}
\end{aligned}
$$
D) $$
\begin{aligned}
& \mathrm{HCOOH}>\mathrm{CH}_3 \mathrm{COOH}> \\
& \left(\mathrm{CH}_3\right)_2 \mathrm{CHCOOH}>\left(\mathrm{CH}_3\right)_3 \mathrm{CCOOH}
\end{aligned}
$$