An oxide of the element contains 20% O2 by weight. Calculate the equivalent weight of the element.
8
16
32
12
In which of the following process, maximum increase in entropy is observed?
Melting of ice
Sublimation of napthalene
Condenstaion of water
Dissolution of salt in water
Considering the reaction C (s) + O2 (g) → CO2 (g) + 393.5 kJ the signs of H, S and G respectively are
+, -, -
-, +, +
-, -, -
-, +, -
+I effect is shown by
-CH3
-Br
-Cl
-NO2
A.
-CH3
+I effect is shown by -CH3 while -I effect is shown by -Br, -Cl and -NO2.