The most suitable reagent for the given conversion is :

The major products A and B in the following reactions are :

The least positive value of 'a' for which the equation

2x² + (a – 10)x + $${{33} \over 2}$$ = 2a has real roots is

The inverse function of

f(x) = $${{{8^{2x}} - {8^{ - 2x}}} \over {{8^{2x}} + {8^{ - 2x}}}}$$, x $$ \in $$ (-1, 1), is :