The "spin only'' magnetic moment of Ni2+ in aqueous solution would be [At. no. of Ni = 28]
BM
BM
BM
BM
The total number of electrons in 18 mL of water (density = 1 g mL-1) is
6.02 × 1025
6.02 × 1024
6.02 × 18 × 1023
6.02 × 1023
The number of moles of hydrogen that can be added to 1 mole of an oil is the highest in
groundnut oil
sunflower seed oil
mustard oil
linseed oil
The equilibrium constant of a reaction is 0.008 at 298 K. The standard free energy change of the reaction at the same temperature is
-11.96 kJ
-5.43 kJ
-8.46 kJ
+11.96 kJ
The correct order of electronegativities of N, O, F and P is
F > O > P > N
F > O > N > P
N > O > F > P
F > N > P > O
Which of the following is not a characteristic of a covalent compound?
No definite geometry
Insoluble in polar solvent
Smal difference in electronegativity between the combining atoms
Low melting point
The volume of 0.1 M oxalic acid that can be completely oxidized by 20 mL of 0.025 M KMnO4 solution is
25 mL
12.5 mL
37.5 mL
125 mL