NEET 2015 Code A - Mock Test

What is the pH of the resulting solution when equal volumes of $0.1\text{M NaOH}$ and $0.01\text{M HCl}$ are mixed?

Number of possible isomers for the complex $[\text{Co}(en{)}_2{\text{Cl}}_2]\text{Cl}$ will be: ($en$ = ethylene diamine)

The variation of the boiling points of the hydrogen halides is in the order $\text{HF}>\text{HI}>\text{HBr}>\text{HCl}$. What explains the higher boiling point of hydrogen fluoride?

What is the mass of the precipitate formed when $50\text{mL}$ of $16.9\%$ solution of ${\text{AgNO}}_3$ is mixed with $50\text{mL}$ of $5.8\%$ $\text{NaCl}$ solution?

The oxidation of benzene by ${\text{V}}_2{\text{O}}_5$ in the presence of air at high temperature produces: