Statement I:One molar aqueous solution (d=1gm/cc) has always higher concentration than one molal.Statement II: The molality of a solution does not depends on temperature whereas molarity depends

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Statement I and Statement II are true.

Statement I is true and statement II is false.

Statement I is false and Statement II is true.

Statement I and Statement II are false.

answer is A.

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Detailed Solution

(I) consider 1 molal sol. of Glucose nsolute = 1 , Ws = 1(180) = 180g Wo =1000g1 molal solution means 1 mole solute present in 1000g of solvent1 Molar solution of Glucose: ns =1 , Ws = 1(180) =180g Vsol = 1000ml , dsol. =1g/cc Wsol. = 1000g, Wo = (1000-180) = 820g1M sol. means 1 mole of solute in 820g of solventBy comparing 1M & 1m sol. of Glucose,1M sol. is more concentrated than 1m sol.(II) Wt. of substance is independent of Temperature Vol. depends on Temp.Molarity depends on Temp.(I) &(II) are true

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