List of top Chemistry Questions asked in TS EAMCET

IUPAC names of benzene derivatives are respectively:
Which of the following is an example of electrophilic substitution reaction?
The correct IUPAC name of the following compound is
Ethylene on reaction with cold, dilute alkaline \(\text{KMnO}_4\) at 273 K gives a compound 'P'. This on polymerisation with which of the following gives dacron?
Which purification method is generally used for a high boiling organic liquid compound, which decompose below its boiling point?
The amine / salt of amine which gives positive test with a mixture of chloroform and alcoholic KOH solution is
What is the major product 'Z' in the given reaction sequence?


The number of chlorine (Cl) atoms in the structure of DDT molecule is
Which of the following options represents the correct ionic radii in Å of N3-, O2-, and F- respectively?
The IUPAC name of the following compound is
A solid mixture weighing $5 \text{ g}$ contains equal number of moles of $\text{Na}_2\text{CO}_3$ and $\text{NaHCO}_3$. This solid mixture was dissolved in $1 \text{ L}$ of water. What is the volume (in $\text{mL}$) of $0.1 \text{ M } \text{HCl}$ required to completely react with this $1 \text{ L}$ mixture solution?
A sample of water contains $\text{Mg}(\text{HCO}_3)_2$ and $\text{Ca}(\text{HCO}_3)_2$. On boiling this water, these hydrogen carbonates are removed as precipitates. The precipitates are
The polymer chains are held together by hydrogen bonding in a polymer X. Polymer X is formed from monomers Y and Z. What are Y and Z?
Oxoacids of phosphorus are formed in the following reactions. The acid formed in which of the following reactions does contain P - P bond?
The dibasic oxoacid of phosphorus on disproportionation gives two products A and B. A and B are respectively
Identify the pair of drugs which act as antihistamines.
Boron trifluoride on reaction with lithium aluminium hydride in ether gives LiF, AlF\(_3\) and X. X on reaction with NH\(_3\) gives Y. Y on further heating gives a compound Z. The number of \(\sigma\)-bonds and \(\pi\)-bonds in Z are x and y respectively. (x+y) is equal to
Consider the following redox reaction in basic medium. \( x\text{Cr(OH)}_3 + y(\text{IO}_3)^- + z(\text{OH})^- \rightarrow a(\text{CrO}_4)^{2-} + b(\text{I})^- + c(\text{H}_2\text{O}) \). The incorrect option about it is
Polymer X is an example of polyester and Y is an example of polyamide. X and Y are respectively
Ionization enthalpies of the elements X, Y, Z having successive atomic numbers respectively are 2080, 496, 737 kJ mol$^{-1}$. X, Y, Z are:
Correct statements regarding halides of group 14 elements:
I. Stability of dihalides: SiX$_2$ > GeX$_2$ > SnX$_2$ > PbX$_2$
II. SnF$_4$, PbF$_4$ are ionic
III. PbI$_4$ does not exist
Identify the incorrect match with respect to compounds to be distinguished and reagent used
Identify the correct statements from the following
I. In CuSO$_4\cdot5$H$_2$O, only one molecule of H$_2$O is hydrogen bonded.
II. In BaCl$_2\cdot2$H$_2$O, water is in interstitial positions
III. In CrCl$_3\cdot6$H$_2$O, only three H$_2$O molecules form coordinate bonds with Cr$^{3+}$
At 298 K, if emf of the cell corresponding to the reaction, \( \text{Zn(s)} + 2\text{H}^+ \text{(aq)} \to \text{Zn}^{2+} (0.01 \text{ M}) + \text{H}_2 \text{(g)} \) (1 atm) is 0.28 V, then the pH of the solution at the hydrogen electrode is \( \left( \frac{2.303 RT}{F} = 0.06 \text{ V} \right) \), \( E^0_{\text{Zn}^{2+}|\text{Zn}} = -0.76 \text{ V} \)
Among the following the neutral oxide is