List of top Questions asked in MET- 2014

The dominant factor in determining the IE of the elements on moving down the groups is
Which of the following phosphorus is the most reactive?
Strongest conjugate base is
Baking powder is more commonly used to make cakes or bread “rise”. Filler in baking powder is
The activity of alkaline earth metals as reducing agent
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
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
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 \( ^A_Z X = 253 \))
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
(SiH$_3$)$_3$N is
Solid N$_2$O$_5$ is
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?
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?
What is the cell potential (standard emf, $E^\circ$) for the reaction below? \[ E^\circ(\text{Fe}^{2+}/\text{Fe}) = 0.44\text{ V}, \quad E^\circ(\text{O}_2/\text{H}_2\text{O}/\text{OH}^-) = 0.40\text{ V} \] \[ 2\text{Fe}(s) + \text{O}_2(g) + 2\text{H}_2\text{O}(l) \rightarrow 2\text{Fe}^{2+}(aq) + 4\text{OH}^-(aq) \]
Potassium stearate is obtained by the saponification of an oil or fat. It has formula CH\(_3\)–(CH\(_2\))\(_{16}\)–COOK. The molecule has a lyophobic terminal CH\(_3\) and a lyophilic terminal –COOK. Potassium stearate is an example of
What reaction does hydroquinone undergo most readily?
Suppose that gold is being plated on to another metal in an electrolytic cell. The half-cell reaction producing Au(s) is \[ \text{AuCl}_4^- \rightarrow \text{Au}(s) + 4\text{Cl}^- - 3e^- \] If a 0.30 A current runs for 15.00 min, what mass of Au(s) will be plated? (Faraday constant = 96485 C/mol, molar mass of Au = 197)
Which pair is usually required for a nucleophilic aromatic substitution reaction?
In physical adsorption, the adsorbent and adsorbate are held together by the
What represents the best method for producing salicylic acid?
Which of the aromatic compounds react fastest with methoxide ion?
Which reagents would you use to carry out the reaction Ethyl benzene $\rightarrow$ 2 and 4-chloro-1-ethyl benzene?
What is incorrect regarding natural rubber?
Which of the following describes the overall three dimensional folding of a polypeptide?
Which one of the following is the structure of polyacrylonitrile?