Chemistry concepts by Dr Krishna Rani

Hi, I'm Dr Krishna Rani from Kota, Rajasthan. Retired professor of Chemistry and principal, college education. I have 48+ years of teaching experience with Hindi & English speaking students preparing for competitive exams - JEE/NEET/NET. I am here to share my love for this subject with you all.

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Chemistry concepts by Dr Krishna Rani

Q. Glucose solution and NaCl solution of same molality show same freezing point depression. It is

3 days ago | [YT] | 7

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Chemistry concepts by Dr Krishna Rani

Q. For electrolytes, i > 1, observed molar mass < normal molar mass. It is

5 days ago | [YT] | 6

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Chemistry concepts by Dr Krishna Rani

Q. Relative lowering of vapour pressure is equal to mole fraction of solute for dilute solutions. It is

5 days ago | [YT] | 6

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Chemistry concepts by Dr Krishna Rani

Q. Azeotropes can be separated completely by fractional distillation. It is

5 days ago | [YT] | 7

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Chemistry concepts by Dr Krishna Rani

Q. An ideal solution obeys Raoult’s law over the entire range of concentration. It is

5 days ago | [YT] | 8

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Chemistry concepts by Dr Krishna Rani

Q. A solution showing positive deviation from Raoult’s law has stronger solute–solvent interactions than solute–solute and solvent–solvent interactions. It is

5 days ago | [YT] | 5

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Chemistry concepts by Dr Krishna Rani

Q. Molarity decreases on increasing temperature. It is

1 week ago | [YT] | 7

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Chemistry concepts by Dr Krishna Rani

Q. Molality depends on temperature. It is

1 week ago | [YT] | 10

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Chemistry concepts by Dr Krishna Rani

Q. NaCl solution shows higher boiling point elevation than glucose solution of same molality. It is