4 RBTS PAPER(CHEMISTRY)
4 RBTS PAPER

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 \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )

1 120
2 60
3 100
4 342
4 RBTS PAPER

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 -

1 \(100.75^{\circ} \mathrm{C}\)
2 \(100.5^{\circ} \mathrm{C}\)
3 \(100^{\circ} \mathrm{C}\)
4 \(100.25^{\circ} \mathrm{C}\)
4 RBTS PAPER

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-

1 \(5.08 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
2 \(508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
3 \(0.508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 \(50.8^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 RBTS PAPER

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:

1 \(0.186^{\circ} \mathrm{C}\)
2 \(0.372^{\circ} \mathrm{C}\)
3 \(1.86^{\circ} \mathrm{C}\)
4 \(3.72^{\circ} \mathrm{C}\)
4 RBTS PAPER

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
4 RBTS PAPER

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 \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )

1 120
2 60
3 100
4 342
4 RBTS PAPER

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 -

1 \(100.75^{\circ} \mathrm{C}\)
2 \(100.5^{\circ} \mathrm{C}\)
3 \(100^{\circ} \mathrm{C}\)
4 \(100.25^{\circ} \mathrm{C}\)
4 RBTS PAPER

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-

1 \(5.08 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
2 \(508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
3 \(0.508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 \(50.8^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 RBTS PAPER

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:

1 \(0.186^{\circ} \mathrm{C}\)
2 \(0.372^{\circ} \mathrm{C}\)
3 \(1.86^{\circ} \mathrm{C}\)
4 \(3.72^{\circ} \mathrm{C}\)
4 RBTS PAPER

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
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
4 RBTS PAPER

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 \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )

1 120
2 60
3 100
4 342
4 RBTS PAPER

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 -

1 \(100.75^{\circ} \mathrm{C}\)
2 \(100.5^{\circ} \mathrm{C}\)
3 \(100^{\circ} \mathrm{C}\)
4 \(100.25^{\circ} \mathrm{C}\)
4 RBTS PAPER

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-

1 \(5.08 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
2 \(508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
3 \(0.508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 \(50.8^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 RBTS PAPER

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:

1 \(0.186^{\circ} \mathrm{C}\)
2 \(0.372^{\circ} \mathrm{C}\)
3 \(1.86^{\circ} \mathrm{C}\)
4 \(3.72^{\circ} \mathrm{C}\)
4 RBTS PAPER

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
4 RBTS PAPER

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 \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )

1 120
2 60
3 100
4 342
4 RBTS PAPER

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 -

1 \(100.75^{\circ} \mathrm{C}\)
2 \(100.5^{\circ} \mathrm{C}\)
3 \(100^{\circ} \mathrm{C}\)
4 \(100.25^{\circ} \mathrm{C}\)
4 RBTS PAPER

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-

1 \(5.08 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
2 \(508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
3 \(0.508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 \(50.8^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 RBTS PAPER

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:

1 \(0.186^{\circ} \mathrm{C}\)
2 \(0.372^{\circ} \mathrm{C}\)
3 \(1.86^{\circ} \mathrm{C}\)
4 \(3.72^{\circ} \mathrm{C}\)
4 RBTS PAPER

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
4 RBTS PAPER

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 \(=\mathbf{0 . 5 2} \mathrm{K}\) \(\mathrm{mol}^{-1}\) )

1 120
2 60
3 100
4 342
4 RBTS PAPER

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 -

1 \(100.75^{\circ} \mathrm{C}\)
2 \(100.5^{\circ} \mathrm{C}\)
3 \(100^{\circ} \mathrm{C}\)
4 \(100.25^{\circ} \mathrm{C}\)
4 RBTS PAPER

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-

1 \(5.08 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
2 \(508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
3 \(0.508 \mathrm{~K} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 \(50.8^{\circ} \mathrm{C} \mathrm{Kg} \mathrm{mol}^{-1}\)
4 RBTS PAPER

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:

1 \(0.186^{\circ} \mathrm{C}\)
2 \(0.372^{\circ} \mathrm{C}\)
3 \(1.86^{\circ} \mathrm{C}\)
4 \(3.72^{\circ} \mathrm{C}\)
4 RBTS PAPER

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