Ni(s)+2Ag+(aq)------>Ni++(aq)+2Ag(s).If E°cell is 1.05 Volt,Is this cell Reaction spontaneous? Yes or No
Question 12
12.
A+2B------>C for which Rate Law Expression is Rate=K[A][B].If concentration of B is doubled but that of A is constant,Value of Rate of Reaction be doubled or quadrupled or halved?
Question 13
13.
Rate of Physiorption increases with..............in temperature
Question 14
14.
Which type of charge develops on colloidal sol of Fe(OH)3 if Fecl3 is added to hot water?
Question 15
15.
(i) Silver crystallises into FCC whose edgelength of unit cell is 4.077x10-8 cm & density is 10.5 g/cm3. Calculate atomic mass of Ag metal? NA-6.022x1023
(ii) Calculate amount of C3H8O3(Glycerol) Which must be dissolved in 500 g pure water to boil this Solution at 100.4°C?Kb=0.512 K Kg mol-1
Which solution show Negative deviation from Ideal Behaviour?
n+hexane + n-heptane
C2H5OH + CH3COCH3
CHcl3 + CH3COCH3
C2H5OH+H2O
Glass is amorphous solid as
It has long range with perfect order of CP
It has short range with disorder or randomness of CP
It is anisotropic in
It has sharp melting point
How much Electricity in terms of Faraday is required to produced 100 g of Ca from molten Cacl2?
2 F
3 F
4 F
5 F
Rate Constant for a Reaction is 0.005 MolL-1Sec-1.Its order will be
Zero
Ist
IInd
IIIrd
Which one has highest coagulating power as per Hardy Schulze Law
cl-
SO4--
PO4---
[Fe(CN)6]----
Which is correct for F centre in case of Metal excess defect arises Due to anionic vacancies?
Yellow colour to Nacl crystal
Pink colour to Licl
Violet colour to Kcl
All of these
In comparison of 0.01 M Glucose Solution,the value of ∆Tf of 0.01 M Mgcl2 solution will be
the same
About twice
About thrice
About six times
CH3COOC2H5+H2O-----> CH3COOH+C2H5OH is experimentally of ...........order.
Zero order
Pseudo Ist order
IInd order
IIIrd Order
As per Henry Law,partial pressure of a gas in its Vapour phase is directly proportional to
Solubility
Mole fraction
Both Solubility & Mole fraction
Neither Pressure nor Mole fraction
Process of converting freshly prepared precipitate into colloidal sol by adding suitable electrolyte is known