List of top Chemistry Questions asked in MHT CET

If $\text{E}^o \left( \text{Al}_{(\text{eq})}^{+3} \mid \text{Al}_{(\text{s})} \right) = -1.66 \text{ V}$. What is potential of $\text{Al}_{(\text{s})} \longrightarrow \text{Al}^{+3}(0 \cdot 1\text{M}) + 3\text{e}^-$ at 298 K ?
Identify the reagent used in the following reaction.
Benzoic acid $\xrightarrow{\text{Reagent}$ Benzoyl chloride + Phosphorus oxychloride + Hydrogen chloride}
Which is the correct increasing order of atomic radii of Na, K, Mg, Rb ?
Which from following medicinal properties is exhibited by curcumin?
Which amino acid from following contains —CH$_3$ as side chain?
Identify the reaction in which entropy change is positive ($\Delta S>0$).
Which of the following molecules contains maximum number of electrons in antibonding molecular orbitals?
If $\text{E}^\circ \left( \text{Fe}_{(\text{aq})}^{+2} \mid \text{Fe}_{(\text{s})} \right) = -0.44 \text{ V}$ and $\text{E}^\circ \left( \text{Sn}_{(\text{aq})}^{+2} \mid \text{Sn}_{(\text{s})} \right) = -0.14 \text{ V}$
What is standard emf of cell containing the two electrodes?
In a reaction,
$(\text{CH}_3)_2\text{CHMgBr} + \text{CO}_2 \xrightarrow[\text{ether}]{\text{dry}} \text{A} \xrightarrow[\text{dilHCl}]{\text{H.OH}} \text{B}$.
Find the product ' B ' of above reaction.
Which of the following has highest reactivity towards nucleophilic substitution reaction involving cleavage of C — Cl bond?
Identify conjugate acid-base pair from following equilibrium reaction.
$\text{HSO}_{3(\text{aq})}^- + \text{H}_3\text{O}_{(\text{aq})}^+ \rightleftharpoons \text{H}_2\text{SO}_3 + \text{H}_2\text{O}$
A solution is formed by mixing chloroform (CHCl3) and acetone (CH3COCH3).
Which of the following is true regarding the nature of this solution?
Calculate the ionisation constant of 0.08 moldm$^{-3}$ of a monobasic acid having pH = 2.
Find the concentration of sodium acetate when added to 0.1 M solution of acetic acid to form a buffer solution of pH = 5.5 ? (pK$_a$ of CH$_3$COOH = 4.5)
Energy of the incident photons on the metal surface is initially \(4 \text{ W}\) and then \(6 \text{ W}\) where \(W\) is the work function of that metal. The ratio of velocities of emitted photoelectrons is
A photosensitive surface has work function (\phi). If photon of energy (3\phi) falls on this surface, the electron comes out with maximum velocity of (4 \times 10^6 m/s). When photon energy is increased to (7\phi) then maximum velocity will be
Which of the following is trihydric phenol?
Identify the product obtained when nitro ethane is treated with Sn - HCl under ideal conditions.
What is the number of moles of 'C' and 'H' atoms respectively present in n mole molecule represented by following structure?
For a certain reaction $\Delta H = -225$ kJ and $\Delta S = -150$ J K$^{-1}$. Find the temperature so that $\Delta G$ is zero.
In an ionic solid anions are arranged in hcp array and cations occupy $\frac{2}{3}$ of octahedral voids. What is the formula of ionic compound? [consider A = cation; B = anion]}
Which of the following on reaction with Grignard's reagent followed by hydrolysis forms tertiary alcohol?
What is the number of hydrogen atoms present in 5.4 g of urea?
Which of the following molecules does not obey octet rule?
Which from following is an example of an intensive property of the system?