Practical Organic Chemistry · Chemistry · AP EAPCET
MCQ (Single Correct Answer)
1
The element whose percentage composition in an organic compound can be determined by Carius method is
AP EAPCET 2025 - 23rd May Morning Shift
2
' $x$ ' mg of an organic compound was analysed by Kjeldahl method. The ammonia evolved was absorbed in 50 mL of $0.5 \mathrm{M} \mathrm{H}_2 \mathrm{SO}_4$. The unused acid required 60 mL of 0.5 M NaOH solution for complete neutralisation. If the percentage of nitrogen in the compound is 56 , the value of $x$ is
AP EAPCET 2025 - 23rd May Morning Shift
3
Which method is used to purify liquids having very high boiling points and liquids which decompose at or below their boiling point?
AP EAPCET 2025 - 22nd May Evening Shift
4
A mixture of substances $A, B, C, D$ is subjected to column chromatography. The degree of adsorption is the order of $D>B>C>A$. The column is eluted with suitable solvent. Identify the correct statement with respect to separation of mixture
AP EAPCET 2024 - 20th May Evening Shift
5
In Lassaigne’s test for halogens, it is necessary to remove X and Y from the sodium fusion extract, if nitrogen and sulphur are present. This is done by boiling the extract with Z. Identify X, Y and Z.
AP EAPCET 2021 - 19th August Morning Shift