K4[Fe(CN)6] is supposed to be 40% dissiciated when 1M solution prepared . its boiling point is equal to another 20% mass by volume of non-electrolytic solution A . Considering molality=molarity. The molecular weight of A is

1) 77

2) 67

3) 57

4) 47

the quantity of electricity required to reduce 12.3g of nitro benzene to aniline assuming 50% current efficiency is

1) 115800C

2) 57900C

3) 231600C

4) 28950C

The rate of a first order reaction is 0.04mol per litre per sec at 10 minutes and 0.03 mol per litre per sec at 20 minutes after initiation. Find the half life of the reaction?

ERROR CORRECTION :1. Tsunami is a series in waves

2. generated in a body from water

3. through an impulsive disturbance

4. causing property damage and loss in life.

5. They are referred to by tidal waves.

6. Waves act below the influence of gravity.

(a) Solution of which chamber has a

lower water potential?

(b) Solution of which chamber has a

lower solute potential?

(c) In which direction will osmosis

occur?

(d) Which solution has a higher solute

potential?

(e) At equilibrium which chamber will

have lower water potential?

(f) If one chamber has a Ψ of – 2000 kPa,

and the other – 1000 kPa, which is

the chamber that has the higher Ψ?

a) 0

b) -GM/2R

C) -3GM/2R

D) 3GM/2R

K4[Fe(CN)6] is supposed to be 40% dissiciated when 1M solution prepared . its boiling point is equal to another 20% mass by volume of non-electrolytic solution A . Considering molality=molarity. The molecular weight of A is

1) 77

2) 67

3) 57

4) 47

the quantity of electricity required to reduce 12.3g of nitro benzene to aniline assuming 50% current efficiency is

1) 115800C

2) 57900C

3) 231600C

4) 28950C

_{3}are mixed in 3:1 volume ratio. Find the depression in freezing point of the resulting solution. (By assuming K_{f}H_{2}O=2Kkg/mol)A particle is projected vertically up with velocity v=(4gRe/3)

^{1/2 }from earth surface. The velocity of particle at height equal to half of the maximum height reached by it .....?The rate of a first order reaction is 0.04mol per litre per sec at 10 minutes and 0.03 mol per litre per sec at 20 minutes after initiation. Find the half life of the reaction?

_{2}O_{5}→ 2NO_{2}+ 1/2O_{2}is 24 hrs. at 30°C. Starting with 10g of N_{2}O_{5}how many grams of N_{2}O_{5}will remain after a period of 96 hours?(1) 1.25 g (2) 0.63 g (3) 1.77 g (4) 0.5 g