List of top Chemistry Questions asked in Maharashtra Board Class XII Exam

What is lanthanoid contraction? Write preparation of acetic acid from dry ice and ethyl chloride.
Write the name of [Cu(NH\(_3\))\(_4\)]Cl and [Pt(NH\(_3\))\(_4\)]Cl\(_2\) complexes.
Write the product when alkyl halide reacts with silver nitrite.
The standard potential of the cell in the following reaction is ______________.
Cd(s) + Cu\(^{2+}\) (aq) \to Cd\(^{2+}\) (aq) + Cu(s)
(E\(^\circ\)_Cd = -0.403 V, E\(^\circ\)_Cu = 0.334 V)
Write the name of biodegradable polyamide copolymer.
The value of [H\(_3\)O\(^+\)] in mol lit\(^{-1}\) of 0.001 M acetic acid solution (\( K_a = 1.8 \times 10^{-5} \)) is _________.
Which of the following transition element shows maximum oxidation state?
Acid anhydride on reaction with primary amine gives compound having a functional group
The name of metal nanoparticle which acts as highly effective bacterial disinfectant in water purification process is ________________.
The correct formula for the complex compound, Na\(_2\) [Fe(CN)\(_4\)](III) is
In calculating osmotic pressure, the concentration of solution is expressed in
The enthalpy change for the chemical reaction \( H_2 (g) \to H_2 O(l) \) is called enthalpy of