List of top Chemistry Questions on Methods Of Purification Of Organic Compounds asked in AP EAMCET

In which of the following pairs, both molecules possess dipole moment?
Identify the method of preparation of a colloidal sol from the following:

Which of the following are general methods for the preparation of 1-iodopropane? 

Which of the following occurs with KMnO\(_4\) in neutral medium?
A flask contains 98 mg of H₂SO₄. If \( 3.01 \times 10^{20} \) molecules of H₂SO₄ are removed from the flask, the number of moles of H₂SO₄ remaining in the flask is (\( N = 6.02 \times 10^{23} \)):
Number of deactivating groups among: \( -Cl, -SO_3H, -OH, -NHC_2H_5, -COOCH_3, -CH_3 \)
Which of the following sets of reagents convert toluene to benzaldehyde? \includegraphics[]{158.png}
IUPAC names of the following compounds A and B are: \includegraphics[]{160.png}
Cobalt (III) chloride forms a green-colored complex ‘X’ with NH\(_3\). Number of moles of AgCl formed when excess AgNO\(_3\) solution is added to 100 mL of 1M solution of ‘X’ is:
\includegraphics[width=4cm]{148.png} X, Y are oxoacids of phosphorous. The number of P – OH bonds in X, Y respectively is:
Which one of the following statements is NOT correct about the compounds of alkaline earth metals?
The correct order of atomic radii of N, F, Al, Si is:
The correct order of covalent bond character of \( BCl_3, CCl_4, BeCl_2, LiCl \) is:
In Dumas method one gram of carbon compound gives $50 \,mL$ of $N _{2}$ at $300\, K$ and $740 \,mm\, Hg$ pressure. If the aqueous tension at $300\, K$ is $15\, mm\, Hg$, what is the percentage of nitrogen in it?