List of top Chemistry Questions asked in TS EAMCET

Compared to cane sugar, artificial sweetener (X) has maximum sweetness value and (Y) has minimum sweetness value. X and Y respectively are:
A carbonyl compound (A) on reaction with Grignard reagent (B) followed by hydrolysis gives an alcohol. This alcohol on reaction with (i) \(PBr_3\) and (ii) \(Zn/dil.~H^+\) gives an alkane. Photochemical chlorination of the alkane gives only one monochloro derivative. A and B respectively are:
Given below are two statements: Statement-I: The oxidation state of phosphorus in the sodium salt of oxoacid formed when white phosphorus reacts with aqueous alkali solution is +1. Statement-II: Sulphur gives two gaseous products when treated with conc. \(HNO_3\).
Match the following:
The pairs of ions which exhibit same colour in aquated state are: I. \[ Fe^{2+}, Ni^{2+} \] II. \[ V^{2+}, Cr^{2+} \] III. \[ Cr^{2+}, Cu^{2+} \]
X, Y are the complexes of \(M^{n+}\) ion. The spin only magnetic moment values of X, Y respectively are 3.87 BM, 1.73 BM. \(M^{n+}\) is:
Identify the reactions, in which products are correctly given: I. \[ IBr + H_2O \rightarrow HI + HOBr \] II. \[ ClF_3 + H_2O \rightarrow HF + HOClO \] III. \[ IF_5 + H_2O \rightarrow HF + HIO_3 \]
The rate constant of a first-order reaction becomes four times when temperature changes from 300 K to 320 K. Find activation energy.
Which of the following statements are correct? I. Distillation method is used for refining low boiling metals II. Copper matte contains CuS and FeS III. Froth flotation is used for concentration of sulphide ores
At T(K), adsorption of a gas on 1 g of solid adsorbent follows Freundlich adsorption isotherm and is represented by the given graph. What is the value of \(k\)?
A metal crystallizes in bcc lattice with an edge length of 4 \AA. How many metal atoms can be placed in a two-dimensional open box of length 35 \AA and width 35 \AA?
Three electrolytic cells P, Q and R containing aqueous solutions of \(Al(NO_3)_3\), \(AgNO_3\) and \(CuSO_4\) respectively are connected in series. A current of 1.5 A was passed until 1.45 g of Ag was deposited. Find the masses of Al and Cu deposited.
At 293 K, HCl(g) is dissolved in cyclohexane. Identify the graph obtained for this solution (x-axis = mole fraction of HCl dissolved in cyclohexane; y-axis = partial pressure of HCl(g)).
The substituent X increases electron density in benzene ring by hyperconjugation effect and substituent Y decreases electron density in benzene by resonance effect. X and Y respectively are
Observe the following reaction and identify the correct statements about X \[ C_4H_8 \xrightarrow[(ii)\ Zn,H_2O]{(i)\ O_3} Ethanal \] I. It does not exhibit cis/trans isomerism II. It adds water in presence of dilute $H_2SO_4$ to give secondary alcohol III. It is obtained as major product in the reaction of secondary butyl chloride with alcoholic KOH
What are A and B in the following reactions? \[ C_3H_4 \xrightarrow[A]{H_2O} X \] \[ (CH_3)_2CHOH \xrightarrow[B]{} X \]
Given below are two statements: Statement-I: A mixture of aniline and chloroform can be separated by differential extraction. Statement-II: Aniline can be separated from a mixture of aniline and water by steam distillation.
Dihydrogen reacted with elements of atomic number 15, 19 and 40 to form respective hydrides. The type of these hydrides respectively are
A sample of water has no fluoride (F) ions in it. What is the maximum limit (in $mg~L^{-1}$) of soluble fluoride salt to be added to this water to convert it into safe drinking water?
Which of the following does not exist?
Consider the following reactions \[ Al(s)+HCl(aq)\rightarrow X+A\uparrow \] \[ Al(s)+NaOH(aq)\rightarrow Y+B\uparrow \] Which of the following is are correct? I. Y is water soluble II. X is not soluble in water III. Both A and B are same
The pair of s-block metals which do not form solid hydrogen carbonates is
The correct order of hydration enthalpy of ions of Li, Na, Mg, Ca is
What is the enthalpy change (in $kJ~mol^{-1}$) for the following reaction? \[ CCl_4(g)\rightarrow C(g)+4Cl(g) \]
Which one of the following molecules has maximum number of lone pairs of electrons?