Question

1 question with explanation

Answer 1

Answer:

C

Explanation:

We Know That Osmotic Pressure (π) is equals to

π = iMRT

Here i is Van't Hoff Factor

M is Concentration or Molarity

R is universal Gas Constant

T is Temperature

Here i is 1

R and T is Constant

Volume is Also Constant and Mass is Also Constant (1g)

So Now We Can Re-Write The Equation as

π = K/Molecular Weight

Where K is Some Constant

So We Can See Osmotic Pressure is Indirectly Proportional to Molecular Weight

So Now We Can See

M.W. of Urea < M.W. of Glucose < M.W. of Sucrose

So,

π(2) > π(1) > π(3)

Answer 2

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Answer:

C

Explanation:

We Know That Osmotic Pressure (π) is equals to

π = iMRT

Here i is Van't Hoff Factor

M is Concentration or Molarity

R is universal Gas Constant

T is Temperature

Here i is 1

R and T is Constant

Volume is Also Constant and Mass is Also Constant (1g)

So Now We Can Re-Write The Equation as

π = K/Molecular Weight

Where K is Some Constant

So We Can See Osmotic Pressure is Indirectly Proportional to Molecular Weight

So Now We Can See

M.W. of Urea < M.W. of Glucose < M.W. of Sucrose

So,

π(2) > π(1) > π(3)