163825
Elevation in boiling point was \(0.52^{\circ} \mathrm{C}\) when \(6 \mathrm{~g}\) of a compound \(X\) was dissolved in \(100 \mathrm{~g}\) of water. Molecular weight of \(X\) is: \((\mathrm{Kb}\) for water \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )
163826
An aqueous solution containing \(1 \mathrm{~g}\) of urea boils at \(100.25^{\circ} \mathrm{C}\). The aqueous solution containing \(3 \mathrm{~g}\) of glucose in the same volume will boil at -
163827
Pure benzene freezes at \(5.45^{\circ} \mathrm{C}\) at a certain place but a \(0.374 \mathrm{~m}\) solution of tetrachloroethane in benzene freezes at \(3.55^{\circ} \mathrm{C}\). The \(\mathrm{K}_{\mathrm{f}}\) for benzene is-
163828
Molal depression constant of water is \(1.86 \mathrm{~K} \mathrm{Kg}\) \(\mathrm{mol}^{-1} .0 .02\) mole of urea dissolved in \(100 \mathrm{~g}\) of water will produce a depression in freezing point of:
163830
A solution containing \(8.6 \mathrm{~g}\) urea in one litre was found to be isotonic with \(0.5 \%\) (wt./vol) solution of an organic non volatile solute. The molecular weight of organic solute is:
1 348.9
2 34.89
3 3489
4 861.2
Explanation:
\( \pi_1=\pi_2 \) \( C_1 R T=C_2 R T \) \( C_1=C_2 \) \( \frac{8.6}{60}=\frac{0.5}{M \times 0.1} \) \( M=34.89 \)
163825
Elevation in boiling point was \(0.52^{\circ} \mathrm{C}\) when \(6 \mathrm{~g}\) of a compound \(X\) was dissolved in \(100 \mathrm{~g}\) of water. Molecular weight of \(X\) is: \((\mathrm{Kb}\) for water \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )
163826
An aqueous solution containing \(1 \mathrm{~g}\) of urea boils at \(100.25^{\circ} \mathrm{C}\). The aqueous solution containing \(3 \mathrm{~g}\) of glucose in the same volume will boil at -
163827
Pure benzene freezes at \(5.45^{\circ} \mathrm{C}\) at a certain place but a \(0.374 \mathrm{~m}\) solution of tetrachloroethane in benzene freezes at \(3.55^{\circ} \mathrm{C}\). The \(\mathrm{K}_{\mathrm{f}}\) for benzene is-
163828
Molal depression constant of water is \(1.86 \mathrm{~K} \mathrm{Kg}\) \(\mathrm{mol}^{-1} .0 .02\) mole of urea dissolved in \(100 \mathrm{~g}\) of water will produce a depression in freezing point of:
163830
A solution containing \(8.6 \mathrm{~g}\) urea in one litre was found to be isotonic with \(0.5 \%\) (wt./vol) solution of an organic non volatile solute. The molecular weight of organic solute is:
1 348.9
2 34.89
3 3489
4 861.2
Explanation:
\( \pi_1=\pi_2 \) \( C_1 R T=C_2 R T \) \( C_1=C_2 \) \( \frac{8.6}{60}=\frac{0.5}{M \times 0.1} \) \( M=34.89 \)
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163825
Elevation in boiling point was \(0.52^{\circ} \mathrm{C}\) when \(6 \mathrm{~g}\) of a compound \(X\) was dissolved in \(100 \mathrm{~g}\) of water. Molecular weight of \(X\) is: \((\mathrm{Kb}\) for water \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )
163826
An aqueous solution containing \(1 \mathrm{~g}\) of urea boils at \(100.25^{\circ} \mathrm{C}\). The aqueous solution containing \(3 \mathrm{~g}\) of glucose in the same volume will boil at -
163827
Pure benzene freezes at \(5.45^{\circ} \mathrm{C}\) at a certain place but a \(0.374 \mathrm{~m}\) solution of tetrachloroethane in benzene freezes at \(3.55^{\circ} \mathrm{C}\). The \(\mathrm{K}_{\mathrm{f}}\) for benzene is-
163828
Molal depression constant of water is \(1.86 \mathrm{~K} \mathrm{Kg}\) \(\mathrm{mol}^{-1} .0 .02\) mole of urea dissolved in \(100 \mathrm{~g}\) of water will produce a depression in freezing point of:
163830
A solution containing \(8.6 \mathrm{~g}\) urea in one litre was found to be isotonic with \(0.5 \%\) (wt./vol) solution of an organic non volatile solute. The molecular weight of organic solute is:
1 348.9
2 34.89
3 3489
4 861.2
Explanation:
\( \pi_1=\pi_2 \) \( C_1 R T=C_2 R T \) \( C_1=C_2 \) \( \frac{8.6}{60}=\frac{0.5}{M \times 0.1} \) \( M=34.89 \)
163825
Elevation in boiling point was \(0.52^{\circ} \mathrm{C}\) when \(6 \mathrm{~g}\) of a compound \(X\) was dissolved in \(100 \mathrm{~g}\) of water. Molecular weight of \(X\) is: \((\mathrm{Kb}\) for water \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )
163826
An aqueous solution containing \(1 \mathrm{~g}\) of urea boils at \(100.25^{\circ} \mathrm{C}\). The aqueous solution containing \(3 \mathrm{~g}\) of glucose in the same volume will boil at -
163827
Pure benzene freezes at \(5.45^{\circ} \mathrm{C}\) at a certain place but a \(0.374 \mathrm{~m}\) solution of tetrachloroethane in benzene freezes at \(3.55^{\circ} \mathrm{C}\). The \(\mathrm{K}_{\mathrm{f}}\) for benzene is-
163828
Molal depression constant of water is \(1.86 \mathrm{~K} \mathrm{Kg}\) \(\mathrm{mol}^{-1} .0 .02\) mole of urea dissolved in \(100 \mathrm{~g}\) of water will produce a depression in freezing point of:
163830
A solution containing \(8.6 \mathrm{~g}\) urea in one litre was found to be isotonic with \(0.5 \%\) (wt./vol) solution of an organic non volatile solute. The molecular weight of organic solute is:
1 348.9
2 34.89
3 3489
4 861.2
Explanation:
\( \pi_1=\pi_2 \) \( C_1 R T=C_2 R T \) \( C_1=C_2 \) \( \frac{8.6}{60}=\frac{0.5}{M \times 0.1} \) \( M=34.89 \)
163825
Elevation in boiling point was \(0.52^{\circ} \mathrm{C}\) when \(6 \mathrm{~g}\) of a compound \(X\) was dissolved in \(100 \mathrm{~g}\) of water. Molecular weight of \(X\) is: \((\mathrm{Kb}\) for water \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )
163826
An aqueous solution containing \(1 \mathrm{~g}\) of urea boils at \(100.25^{\circ} \mathrm{C}\). The aqueous solution containing \(3 \mathrm{~g}\) of glucose in the same volume will boil at -
163827
Pure benzene freezes at \(5.45^{\circ} \mathrm{C}\) at a certain place but a \(0.374 \mathrm{~m}\) solution of tetrachloroethane in benzene freezes at \(3.55^{\circ} \mathrm{C}\). The \(\mathrm{K}_{\mathrm{f}}\) for benzene is-
163828
Molal depression constant of water is \(1.86 \mathrm{~K} \mathrm{Kg}\) \(\mathrm{mol}^{-1} .0 .02\) mole of urea dissolved in \(100 \mathrm{~g}\) of water will produce a depression in freezing point of:
163830
A solution containing \(8.6 \mathrm{~g}\) urea in one litre was found to be isotonic with \(0.5 \%\) (wt./vol) solution of an organic non volatile solute. The molecular weight of organic solute is:
1 348.9
2 34.89
3 3489
4 861.2
Explanation:
\( \pi_1=\pi_2 \) \( C_1 R T=C_2 R T \) \( C_1=C_2 \) \( \frac{8.6}{60}=\frac{0.5}{M \times 0.1} \) \( M=34.89 \)