List of top Questions asked in Maharashtra Board Class XII Exam

Write the name of [Cu(NH\(_3\))\(_4\)]Cl and [Pt(NH\(_3\))\(_4\)]Cl\(_2\) complexes.
Write the name of the process in Fischer Tropsch process in the synthesis of gasoline.
Henry’s law constant for CH\(_3\)Br(g) is 0.159 mol dm\(^{-3}\) bar\(^{-1}\) at 25°C. What is solubility of CH\(_3\)Br(g) in water at same temperature and partial pressure of 0.164 bar?
What is lanthanoid contraction? Write preparation of acetic acid from dry ice and ethyl chloride.
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)
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 _________.
Write the product when alkyl halide reacts with silver nitrite.
Write the name of biodegradable polyamide copolymer.
Which of the following transition element shows maximum oxidation state?
The correct formula for the complex compound, Na\(_2\) [Fe(CN)\(_4\)](III) is
The name of metal nanoparticle which acts as highly effective bacterial disinfectant in water purification process is ________________.
Acid anhydride on reaction with primary amine gives compound having a functional group
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