The most suitable regent for the conversion of `R- CH_(2) - OH rarr R-CHO` is

The most suitable regent for the conversion of `R- CH_(2) - OH rarr R-CHO` is
The most suitable regent for the conversion of `R- CH_(2) - OH rarr R-CHO` is
The most suitable regent for the conversion of `R- CH_(2) - OH rarr R-CHO` is
The most suitable regent for the conversion of `R- CH_(2) - OH rarr R-CHO` is

R-CHO`