Which of the following in water possesses the lowest vapour pressure?

Match the Column I with Column II and choose the correct option from the codes given below.  

Write the Nernst equation and calculate the value of $∆{\mathrm{G}}^{° }$for the galvanic cell:

$\mathrm{Cu}\left(\mathrm{s}\right) \left|{\mathrm{Cu}}^{2+}\right(0.130\mathrm{M}\left)\right||{\mathrm{Ag}}^{+} (1.00 \mathrm{x} 10{ }^{-4} \mathrm{M}\left)\right| \mathrm{Ag} \left(\mathrm{s}\right)$
Given, ${\mathrm{E}}^{°}{ }_{{\mathrm{Cu}}^{2+}/\mathrm{Cu}}=0.34 \mathrm{V}, \mathrm{E}°{ }_{{\mathrm{Ag}}^{+}/\mathrm{Ag}}=0.80 \mathrm{V}$

What happens when ${\mathrm{PCl}}_5$ is heated?

How are the following conversions carried out?

Phenol to aspirin