Solutions

Bihar Board Class 12 · Chemistry · 38 past questions

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1. Q3 2026 Set A

   Aqueous solution of which of the following will have lowest vapour pressure ?

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2. Q4 2026 Set A

   34.2 g of sugar is present in 234.2 g of its aqueous solution. Then its molal concentration is

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3. Q5 2025 Set D

   Which among the following aqueous solutions has the highest boiling point ?

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4. Q12 2024 Set D

   Which of the following show positive deviation from Raoult's law ?

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5. Q17 2023 Set F

   Which of the following will have highest boiling point ?

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6. Q18 2022 Set E

   Which of the following will have maximum depression in freezing point ?

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7. Q22 2021 Set A

   In comparison to 0.01 M solution of glucose, the depression in freezing point of 0.01 M MgCl$_2$ solution is

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8. Q27 2018

   The van't Hoff's factor of $0.1\,M\;Ba(NO_2)_2$ solution is 2.74. the degree of dissociation is-

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9. Q28 2018

   A 5% solution of sugar cane (Mol. Wt=342) is isotonic with 1% solution of sunbstance X. The molecular weight…

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10. Q30 2017

    Which of the following aqueous solution should have the highest boiling point?

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11. Q33 2017

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12. Q34 2016

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13. Q38 2015

    Discuss Raoult's law of relative lowering of vapour pressure.

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