List of top Chemistry Questions asked in MET

The IUPAC name of
Under which of the following condition, van der Waals' gas approaches ideal behaviour?
The
bond angle in \(\mathrm{H}_2\mathrm{O}\) is \(104.5^{\circ}\). This fact can be explained with the help of
The ionisation energy of hydrogen atom is \(13.6\mathrm{eV}\). What will be the ionisation energy of He\(^+\)?
Equivalent amounts of \(\mathrm{H}_2\) and \(\mathrm{I}_2\) are heated in a closed vessel till equilibrium is obtained. If \(80%\) of the hydrogen can be converted to \(\mathrm{HI}\), the \(K_C\) at this temperature is
In which of the following arrangement the order is not according to the property indicated against it?
The enthalpy of combustion of carbon and carbon monoxide are \(-393.5\) and \(-283\mathrm{kJ / mol}\) respectively. The enthalpy of formation of carbon monoxide per mole is
How many moles of \(\mathrm{Al}_2(\mathrm{SO}_4)_3\) would be in \(50\mathrm{g}\) of the substance?
The complex [Fe(H\(_2\)O)\(_5\)NO]\(^{2+}\) is formed in the ring test for nitrate ion. This complex is formed by charge transfer in which
The dominant factor in determining the IE of the elements on moving down the groups is
Which of the following is the strongest base?
Valence electrons in the element A are 3 and that in element B are 6. Most probable compound formed from A and B is
Which pair is different from the others?
Which of the following best define the term hyperconjugation?
Baking powder is more commonly used to make cakes or bread “rise”. Filler in baking powder is
Strongest conjugate base is
Out of the following redox reactions, \[ \text{I. NH}_4\text{NO}_3 \xrightarrow{\Delta} \text{N}_2\text{O} + 2\text{H}_2\text{O} \] \[ \text{II. NH}_4\text{NO}_2 \xrightarrow{\Delta} \text{N}_2 + 2\text{H}_2\text{O} \] \[ \text{III. PCl}_5 \xrightarrow{\Delta} \text{PCl}_3 + \text{Cl}_2 \] Disproportionation is not shown in
Which of the following phosphorus is the most reactive?
The activity of alkaline earth metals as reducing agent
Raw milk sours in about 4 h at 27$^\circ$C, but in about 48 h in a refrigerator at 17$^\circ$C. What is the activation energy for souring of milk?
If 200 mL of a 0.031 M solution of H$_2$SO$_4$ are added to 84 mL of a 0.150 M KOH solution, what is the pH of the resulting solution?
If in a solvent, $n$ simple molecules of solute combine to form an associated molecule, $\alpha$ is the degree of association, the van’t Hoff factor is equal to
If the osmotic pressure of a 0.010 M aqueous solution of sucrose at 27$^\circ$C is 0.25 atm, then the osmotic pressure of a 0.010 M aqueous solution of NaCl at 27$^\circ$C is
A certain radioactive isotope \( ^A_Z X \) (half-life = 10 days) decays to give \( ^{A-4}_{Z-2} X \). If 1.0 g of \( X \) is kept in a sealed vessel, find the volume of He accumulated at STP in 20 days. (Molar mass of \( ^A_Z X = 253 \))
(SiH$_3$)$_3$N is