List of top Chemistry Questions asked in MHT CET

For zero order reaction, when [A] is plotted against time (t), the slope of the straight line obtained is equal to
Which of the following is obtained on dry distillation of equimolar mixture of calcium acetate and calcium propionate?
Which among the following substituent groups increases the acidic strength of aromatic carboxylic acids?
During electrolysis of aqueous NaCl, the product obtained at cathode is
Molecular formula C$_2$H$_7$N represents
According to radius ratio rule if R$'$ is radius of anion and r is the radius of cation then for an atom to occupy octahedral hole, the possible relation between R and r is
Which of the following solution is called as Lucas reagent?
0.4 g of an organic compound in Dumas method gives 22.4 mL of nitrogen collected at S.T.P. What is the percentage of nitrogen in the compound?
The compound used in Holme's signals is
When 46 g of ethyl alcohol is dissolved in 162 g of water, the mole fraction of ethyl alcohol and water respectively is
A 5% solution of cane sugar (molar mass 342) is isotonic with 1% solution of non-electrolyte substance X, the molar mass of substance X is
What is the position of an element in long form of periodic table if the expected electronic configuration is [Kr]4d$^{10}$5s$^2$?
IUPAC name of pinacol is
The most basic hydride of group 15 elements is
Identify A and B respectively in the following conversion
Ethene $\xrightarrow{A}$ Bromoethane $\xrightarrow{B}$ Ethyl propionate
Which of the following molecules is a polar molecule?

Standard entropies of \( \mathrm{N_2(g)}, \mathrm{H_2(g)} \) and \( \mathrm{NH_3(g)} \) are \( a_1 \), \( a_2 \) and \( a_3 \) J K\(^{-1}\) mol\(^{-1}\) respectively. What is the value of \( \Delta S^\circ \) for the formation of \( \mathrm{NH_3(g)} \)? 

Which of the following compounds is obtained when \( \mathrm{C_2H_5NH_2} \) is treated with excess \( (\mathrm{CH_3CO})_2\mathrm{O} \) in presence of pyridine?
Van’t Hoff factor (i) for centimolal solution of \( \mathrm{K_3[Fe(CN)_6] }\) is 3.333. What is its percentage dissociation?
What is the number of moles of silver chloride precipitated when excess aqueous silver nitrate is treated with \([\mathrm{Co(NH_3)_4Cl_2]Cl}\)?

If \( \mathrm{C(s) + O_2(g) \rightarrow CO_2(g)} \), \( \Delta H = -396 \,\mathrm{kJ\,mol^{-1}} \), calculate heat liberated during formation of 0.154 kg of \( \mathrm{CO_2} \).

6.022 × \(10^{20}\) molecules of urea are present in 100 mL of its solution. The concentration of the solution is
Which of the following nitroalkane does not react with nitrous acid?
Pumice stone is an example of
Identify the product B in the following conversion.
\[ \text{Chlorobenzene} + \mathrm{H_2O} \xrightarrow[\text{Pressure}]{\mathrm{Cu},\,673\,K} A \xrightarrow[\;373\,K\;]{\text{conc. } \mathrm{H_2SO_4}} B \]