List of top Chemistry Questions asked in TN Board

What is calcination? Give an example.
Propan-2-ol on reaction with anhydrous ZnCl₂ and concentrated HCl gives:
Write the rate law for the reaction in which the order with respect to the reactants X, Y and Z are 1/2, 3/2 and zero respectively.
α-D-(+) Glucose and β-D-(+) Glucose are:
Assertion: Due to Frenkel defect, density of the crystalline solid decreases.
Reason: In Frenkel defect, cation and anion leaves the crystal.
How many geometrical isomers are possible for [Pt(Py)(NH₃)(Br)(Cl)]?
Identify 'C' in the following reaction sequence: C₆H₅NO₂ Sn/HCl A [273K]NaNO₂/HCl B [283K]H₂O C
The molar conductivity of a 0.5 mol dm⁻³ solution of AgNO₃ with specific conductance 5.76 × 10⁻³ S cm⁻¹ at 298 K is:
The half life period of a radioactive element is 140 days. After 560 days 1 g of element reduced to:
On which of the following properties does the coagulating power of an ion depend?
Drugs that bind to the receptor site and inhibit its natural function are called .
Electrochemical process is used in the extraction of which of the following?
Which of the following statements is incorrect?
Identify 'Y' in the following reaction sequence: CH₂ = CH₂ [(ii) Zn/H₂O](i) O₃ X NH₃ Y
The pH of sodium formate solution in terms of Kₐ and the concentration of the electrolyte C is:
The stability of +1 oxidation state increases in the sequence .
XeF₆ on complete hydrolysis produces: