Calculate the value of dissociation constant of weak acid, which dissociates to $0.01 \%$ in its 0.1 M solution?

What is the number of electrons in bonding molecular orbitals and antibonding molecular orbitals respectively in $\mathrm{F}_2$ molecule?

Which of the following is likely to undergo racemization during alkaline hydrolysis by $\mathrm{S}_{\mathrm{N}} 1$ mechanism?

Identify the name of reaction if carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with hydrazine followed by heating with sodium hydroxide in ethylene glycol.