Match the following:

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

• Ck_b

• 
• 
• 

In a plot of log k vs 1 /T, the slope is:

• - Ea/2.303

•  Ea/2.303R

• Ea/ 2.303

• Ea/ 2.303

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.

9. Give one example (equation) of a homogeneously catalysed reaction and name the catalyst.