List of top Questions asked in MET- 2020

An organic compound A contains 20% C, 46.66% N and 6.66% H. It gives \(NH_3\) gas on heating with NaOH. A can be:

In the equilibrium mixture, \(KI + I_2 \rightleftharpoons KI_3\), the concentration of \(KI\) and \(I_2\) is made two fold and three fold respectively. The concentration of \(KI_3\) becomes

Correct order for solubility of alkaline earth metal fluorides in water is:

Which is mismatched for NaCl crystal?

Which of the following ions has the highest magnetic moment?

The ratio of de-Broglie wavelengths for electrons accelerated through \(200\,V\) and \(50\,V\) is:

Match List I with List II and choose the correct answer from the codes given below \[ \begin{array}{c c c} List I & & List II A.\; NaNO_3 & & (i)\; Baking\; soda B.\; Na(NH_4)HPO_4 & & (ii)\; Chile\; saltpetre C.\; NaHCO_3 & & (iii)\; Microcosmic\; salt D.\; Na_2CO_3 \cdot 10H_2O & & (iv)\; Washing\; soda \end{array} \] Codes: {c c c c c} & A & B & C & D

When \(MnO_2\) is heated with \(PbO_2\) and conc. \(HNO_3\), pink colour is obtained due to formation of:

Malachite decomposed to give \(A + CO_2 + H_2O\) and compound \(A\) on reduction with carbon gives \(CO + B\). Here, \(A\) and \(B\) are

A new carbon-carbon bond formation is possible in:
I. Cannizzaro reaction II. Friedel-Crafts reaction III. Clemmensen reduction IV. Reimer-Tiemann reaction

Which of the following compound is formed during Perkin's reaction?

Which of the following is an organometallic compound?

Which statement is false for white phosphorus (\(P_4\))?

Natural rubber is a polymer of isoprene. During polymerisation:

Match List I (species) with List II (hybridisation) and select the correct code given below \[ \begin{array}{c c c} List I & & List II A.\; XeF_4 & & (i)\; dsp^2 B.\; H_2O & & (ii)\; sp^3 C.\; PCl_5 & & (iii)\; sp^3d^2 D.\; [Pt(NH_3)_4]^{2+} & & (iv)\; sp^3d \end{array} \] Codes: {c c c c c} & A & B & C & D

In the given reaction sequence involving \(CHCl_3\), the end product \(C\) is used as:

If in the reaction \(N_2O_4 \rightleftharpoons 2NO_2\), \( \alpha \) is the degree of dissociation of \(N_2O_4\), then total number of moles at equilibrium is:

Which of the following complexes is an outer orbital complex?

Which compound is present in diesel?

The rate of a reaction doubles when the initial concentration of the reactant is made fourfold. If the initial concentration is made 400 fold, then the rate will become:

Which is true for a cyclic process?

In the Cannizzaro reaction, the slowest step is:

Certain electric current for half an hour collects \(11.2\,L\) of hydrogen at NTP. Same current passed for one hour deposits how much silver?

In qualitative analysis, \(NH_4Cl\) is added before \(NH_4OH\):

Which of the following is not a basic amino acid?