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latent heat of vapourisation of water is 9700cal/mole. If b.p is 100oC, The ebullioscopic const of water is 0.516 1.026 10.26 1.832 please give me solution key ;1

latent heat of vapourisation of water is 9700cal/mole. If b.p is 100oC, The ebullioscopic const  of water is
 
  1. 0.516
  2. 1.026
  3. 10.26
  4. 1.832                                                      please give  me solution  key ;1

Grade:12

1 Answers

Vikas TU
14149 Points
6 years ago
 T=i*Kb*b 
Where i=Vant Hoff consider 
 
We can understand Kb utilizing the above recipe. However its better to recollect Kb estimations of most generally utilized ones. 
Acidic corrosive – 3.08 
Benzene - 2.53 
Camphor – 5.95 
Carbon disulfide – 2.34 
Carbon tetrachloride - 5.03 
Chloroform-3.63 
Cyclohexane-2.79 
Diethyl ether – 2.02 
Ethanol – 1.07 
Water – 0.512 

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