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Subject: Chemistry, asked on 30/1/17

Determine the correct order of the property mentioned against them :  (a) 10% glucose (p1 ), 10% urea (p2 ), 10% sucrose (p3 ) [osmotic pressure]  (b) 0.1 m nacl, 0.1 m urea, 0.1 m mgcl2 [elevation in b.pt.]  (c) 0.1 m cacl2 , 0.1 m sucrose, 0.1 m nacl [depression in freezing point]

Subject: Chemistry, asked on 9/3/12


how to find log of .130-log of [.0001]2???

other than


learn this

log 10=1 log 100=2 log 1000=3 and so on.

now,coming to your question,

log 0.130 is same as log 130/1000.

log 130/1000 = log 130 - log 1000

= 2.113 - 3

= -0.8860.

Subject: Chemistry, asked on 9/6/13

R-COOH dimerises in benzene upto 50% and it ionises upto 10% in water.Detrmine the ratio of Van't hoff factors in dimerisation v/s ionisation?

Subject: Chemistry, asked on 10/5/15

MAXIMUM POSSIBLE COORDINATION NUMBER FOR AN IONIC SOLID IS __________?

Subject: Chemistry, asked on 28/5/18

39

39.  2 m aqueous solution of H2SO4 contains

(1) 49 g of H2SO4 per 250 g of solution
(2) 98 g of H2SO4 per 250 g of solvent
(3) 49 g of H2SO4 per 250 g of solvent
(4) 98 g of H2SO4 per 250 g of solution 
 

Subject: Chemistry, asked on 18/4/20

Why is Ka1=Ka2 for H2SO4 in water?

Subject: Chemistry, asked on 22/5/14

when NaCl is added to aqueous of glucose

1) freezing point is lowered2)freezing point israised3)freezing pointdoes not change4) variation in freezing point can't be predicted

Subject: Chemistry, asked on 8/5/15

75g of ethylene glycol is dissolved in 500g water. The solution is placed in a refrigerator maintained at a temperature of 263.7K. What amount of ice will separate out at this temperature.
(Kf water = 1.86 K/m)

1) 300g
2) 200g
3) 178g
4) 258g

Subject: Chemistry, asked on 1/6/12

Two liquids A and B on mixing form ideal solution. their vapour pressures in pure state are 200 and 100 mm respectively. what will be the mole frction of B in the vapour phase in equillibrium with an equimolar solution of two?

The answer is 0.33..!!! how to get it??

Subject: Chemistry, asked on 25/10/15

Ethanamine vs N-Methylmethanamine

Subject: Chemistry, asked on 1/9/15

IUPAC name of K2[HgI4]

Subject: Chemistry, asked on 22/1/14

Two liquids A and B on mixing produce a warm solution. Which type of deviation from Raoult's law does it show?

Subject: Chemistry, asked on 20/5/17

the values of observed and calculated molecular weights of silver nitrate are 90 and 170 respectively. the degree of dissociation of silver nitrate is​

Subject: Chemistry, asked on 23/4/14

what product is obtained when alcohols are heated with NaI or KI in 95% phosphoric acid ?

Subject: Chemistry, asked on 19/4/18

Solve this:
Question No. 68
Increased concentration of ethoxide anion in solvolysis of (CH3)3CBr will have the following impact :
A. E1/SN1 solvolysis shifts more towards E2/SN2
B. High yield of alkene
C. E2/SN2 solvolysis shifts more towards E1/SN1
D. Both (A) and (B)

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