Match the following:
A. Nernst equation | (i) Water |
B. Water | (ii) Constant volume |
C. Amphiprotic solvent | (iii) Ammonia |
D. Amphiprotic solvent | (iv) Optical Isomers |
E. Isochoric process | (v) Electrochemical cells. |
Fill in the blanks by choosing the appropriate word / words from those given in the brackets:
(Raoult’s, Arrhenius, lateral, sodium, magnesium, negative, positive, non-ideal, ideal, iron, copper, van’t Hoff, p- p orbital, ethanol, ethanoic acid, methanoic acid, methanol, propanoic acid.)
(i) For a spontaneous change to take place, the ΔS of the system should be______and ΔG of the system should be________.
(ii) Hydrolysis of methyl propanoate gives______and_______.
(iii) Solutions which strictly obey-law are called__________solutions.
(iv) π bonds are formed by the-overlap of_______orbitals.
(v) Zinc can displace_______from CuSO4 solution, but cannot displace_________from MgSO4 solution.
The quantity of electricity required to deposit 1-15g of sodium from molten NaCl (Na = 23, Cl = 35.5) is:
IF
0.5 F
0.05 F
0.05 F
When acetic acid is reacted with calcium hydroxide and the product is distilled dry, the compound formed is:
Calcium acetate
Acetone
Acetaldehyde
Acetaldehyde
B.
Acetone
Among the following coordination compounds, the one giving a white precipitate with BaCl2solution is:
[Cr(H2O)5Br] SO4
[Cr(H2O)5SCN]
[Co (NH3)5 SO4] Br
[Co (NH3)5 SO4] Br
Answer the following questions:
A solution X is prepared by dissolving three moles of glucose in one litre of water and a solution Y is prepared by dissolving 1.5 moles of sodium chloride in one litre of water. Will the osmotic pressure of X be higher, lower or equal to that of Y? Give a reason for your answer.