NEET 2022 Question Paper Mock Test

In the neutral or faintly alkaline medium, ${\text{KMnO}}_4$ oxidises iodide into iodate. The change in oxidation state of manganese in this reaction is from:

The pollution due to oxides of sulphur gets enhanced due to the presence of:(a) Particulate matter(b) Ozone(c) Hydrocarbons(d) Hydrogen peroxideChoose the correct answer:

Statement I: In Lucas test, primary, secondary and tertiary alcohols are distinguished on the basis of their reactivity with conc. $\text{HCl}+{\text{ZnCl}}_2$, known as Lucas Reagent.Statement II: Primary alcohols are most reactive and immediately produce turbidity at room temperature on reaction with Lucas Reagent.

Copper crystallises in $fcc$ unit cell with cell edge length of $3.608\times 10^{-8}\text{cm}$. The density of copper is $8.92{\text{g cm}}^{-3}$. Calculate the atomic mass of copper:

The product formed from the following reaction sequence is: