List of top Questions asked in TS EAMCET- 2026

Observe the following reaction \[ \mathrm{C_8H_8O} \;(X) \xrightarrow{Y} Z \] Aromatic compound \(X\) gives both iodoform and 2,4-DNP tests. Product \(Z\) liberates \(\mathrm{CO_2}\) with \(\mathrm{NaHCO_3}\) solution. Identify the set(s) in which \(Y\) is correctly represented from the following. \[ \begin{aligned} \text{I. }&\mathrm{Zn-Hg/HCl;\ KMnO_4/OH^-;\ H_3O^+} \text{II. }&\mathrm{KMnO_4/OH^-;\ H_3O^+} \text{III. }&\mathrm{LiAlH_4;\ H_2O} \end{aligned} \] The correct answer is

What are \(X\) and \(Y\) respectively in the following reaction sequence?

Which of the following set(s) of reagents convert benzoic acid (\(X\)) to primary amine (\(Y\)) with one carbon atom more than that in \(X\)? \[ \begin{aligned} \text{I. }&\mathrm{NH_3/\Delta;\ Br_2,\ OH^-} \text{II. }&\mathrm{LiAlH_4;\ H_2O} \text{III. }&\mathrm{LiAlH_4,\ H_2O;\ NaBr/H_2SO_4;\ KCN;\ H_2/Ni} \end{aligned} \] The correct answer is

The artificial sweetener which contains \(-\mathrm{Cl}\) in its structure and is stable even at cooking temperatures is

The polymer formed by \(X\) and \(Y\) is

Bromination of toluene in the presence of anhydrous \(\mathrm{AlCl_3}\) gave \(X\) and bromination of cyclohexene in the presence of light yielded \(Y\). \(X\) and \(Y\) respectively are

The primary and secondary valencies of chromium in the complex ion, \[ [\mathrm{CrCl_2(C_2O_4)_2}]^{3-} \] are respectively \(x\) and \(y\). The sum of \(x\) and \(y\) is

Identify the sets in which \(A\), \(B\) and \(C\) of the following reaction sequence are in correct order \[ \mathrm{(CH_3)_3COH} \xrightarrow{A} X \xrightarrow[\text{(ii) }C]{\text{(i) }B} \mathrm{(CH_3)_2CHCH_2OH} \] (Major product) \[ \begin{aligned} \text{I. }&\mathrm{H_2SO_4;\ HBr;\ OH^-} \text{II. }&\mathrm{Cu/573\,K;\ HBr/(C_6H_5CO)_2O_2;\ OH^-} \text{III. }& 20\%\mathrm{H_3PO_4}/358\,K;\ (\mathrm{BH_3})_2;\ \mathrm{H_2O_2/OH^-} \text{IV. }& 20\%\mathrm{H_3PO_4}/358\,K;\ \mathrm{HBr;\ OH^-} \end{aligned} \] (Major product = major product) The correct answer is

\(\mathrm{XeF_4}\) on reaction with \(\mathrm{O_2F_2}\) at \(143\ \mathrm{K}\) gives a Xenon compound \(A\). On complete hydrolysis, \(A\) gives HF and \(B\). The hybridisation of the central atom in \(B\) is

Which of the following statements are correct? I. Reaction of bromine with excess fluorine gives a T-shaped compound. II. Iodine oxides decompose on heating. III. Roasting of sulphide ores gives \(\mathrm{SO_2}\) as a byproduct. The correct answer is

Which of the following reactions are correct with respect to the formation of products? I. \[ \mathrm{XeF_6+NaF\rightarrow Na[XeF_7]} \] II. \[ \mathrm{XeF_2+PF_5\rightarrow [XeF]^+[PF_6]^-} \] III. \[ \mathrm{XeF_4+SbF_5\rightarrow [XeF_3]^+[SbF_6]^-} \] The correct answer is

Identify the pair of metals which are refined by zone refining method?

At \(T\)(K), adsorption of gas \((A)\) on solid adsorbent \((B)\) follows Freundlich adsorption isotherm. On \(10\) g of \(B\), adsorption of gas \((A)\) gave the isotherm shown below. What is \(x\) (the quantity of \(A\) adsorbed in one gram of \(B\)) when the pressure of \(A\) is \(1.259\) atm?

\[ (\log 1.259=0.1,\qquad \text{Antilog}(0.1)=1.259) \]

Observe the following reaction sequence and the statements given about the product \(Y\)

I. Reaction of \(Y\) with \(\mathrm{Br_2/UV}\) light forms aryl bromide.
II. Reaction of \(Y\) with \(\mathrm{CrO_3/(CH_3CO)_2O}\) followed by hydrolysis gives a compound which is acidic in nature.
The correct answer is

At \(T\)(K), the following data is obtained for the decomposition of \(A(g)\), which follows first order kinetics \[ A(g)\rightarrow B(g)+C(g) \] \[ \begin{array}{|c|c|} \hline \text{Time (s)} & \text{Total pressure (atm)} \hline 0 & 0.5 100 & 0.6 x & 0.65 \hline \end{array} \] What is \(x\) (in s)? \[ (\log1.25=0.097,\qquad \log1.4285=0.1549) \]

An alkene, \(\mathrm{C_4H_8}\) (\(X\)), on reaction with HBr gives a compound \(Y\). Hydrolysis of \(Y\) follows the \(S_\mathrm{N}1\) mechanism. The ozonolysis products of \(X\) are

The following reaction takes place in a galvanic cell at \(298\) K \[ \mathrm{Fe^{2+}(aq)+Ag^+(aq)\rightarrow Fe^{3+}(aq)+Ag(s)} \] The \(\Delta_rG^\circ\) (in kJ mol\(^{-1}\)) and \(\log K_c\) values are respectively \[ (F=96500\ \mathrm{C\,mol^{-1}},\; E^\circ_{\mathrm{Ag^+/Ag}}=0.80\ \mathrm{V},\; E^\circ_{\mathrm{Fe^{3+}/Fe^{2+}}}=0.77\ \mathrm{V},\; R=8.3\ \mathrm{J\,mol^{-1}K^{-1}}) \]

A metal crystallizes in cubic lattice with edge length of \(4\ \text{\AA}\). The number of unit cells of this metal present in \(128\ \text{cm}^3\) volume is

If two liquids \(A\) and \(B\) have \[ P_A^\circ:P_B^\circ=1:2 \] and have mole fraction in solution as \(1:2\), then mole fraction of \(B\) in vapour phase is

Empirical formula weight of borazine is \[ (\text{At. wt: }H=1\ \text{u},\ B=10.8\ \text{u},\ N=14\ \text{u}) \]

Which of the following reactions give hydrogen gas? \[ \begin{aligned} \text{I. }&\text{Reaction of tin with steam} \text{II. }&\text{Passage of steam over hot coke} \text{III. }&\text{Passage of air over hot coke} \end{aligned} \] The correct answer is

IUPAC names of the following compounds \(X\) and \(Y\) are respectively

Given below are two statements Statement-I: The solubility of \(\mathrm{CaCl_2}\) and \(\mathrm{MgCl_2}\) in water is more than that of \(\mathrm{NaCl}\). Statement-II: \(\mathrm{Ca(NO_3)_2}\) on heating gives three products. The correct answer is

An alkene, \(X\) \((\mathrm{C_5H_{10}})\) exhibits cis/trans isomerism. Bromination of \(X\) followed by reaction with reagent(s) \(Y\) gave the product \(Z\). What are \(Y\) and \(Z\)?