Given below are two statements:}
Statement I:}
A mixture of \(C_{12}H_{22}O_{11}\) (sugar) and \(NaCl\) can be separated by dissolving sugar in alcohol, due to differential solubility.
Statement II:}
Rose essence from rose petals is separated by steam distillation due to its high volatility and insolubility in \(H_2O\).
Choose the correct answer.
- Both Statement I and Statement II are true
- Both Statement I and Statement II are false
- Statement I is true but Statement II is false
- Statement I is false but Statement II is true
The Correct Option is D
Solution and Explanation
Top Questions on Analytical Chemistry
Kjeldahl's method cannot be used for the estimation of nitrogen in which compound?
(A) (B) (C) (D) NH2-CH2-COOH C6H5-NH2 C6H5-N=N-C6H5 O2N-C6H4-NO2 - WBJEE - 2025
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- Which pair of ions among the following can be separated by precipitation method?
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- Identify the incorrect statements regarding primary standard of titrimetric analysis
(A) It should be purely available in dry form.
(B) It should not undergo chemical change in air.
(C) It should be hygroscopic and should react with another chemical instantaneously and stoichiometrically.
(D) It should be readily soluble in water.
(E) KMnO4 & NaOH can be used as primary standard.
Choose the correct answer from the options given below :- JEE Main - 2024
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Given below are two statements:
Statement I: In the oxalic acid vs KMnO$_4$ (in the presence of dil H$_2$SO$_4$) titration the solution needs to be heated initially to 60°C, but no heating is required in Ferrous ammonium sulphate (FAS) vs KMnO$_4$ titration (in the presence of dil H$_2$SO$_4$).
Statement II: In oxalic acid vs KMnO$_4$ titration, the initial formation of MnSO$_4$ takes place at high temperature, which then acts as catalyst for further reaction. In the case of FAS vs KMnO$_4$, heating oxidizes Fe$^{2+}$ into Fe$^{3+}$ by oxygen of air and error may be introduced in the experiment.
In the light of the above statements, choose the correct answer from the options given below:- JEE Main - 2025
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