MHT CET (PCB) 2024 22th April Morning Shift

Which of the following is primary benzylic alcohol?

What is the frequency of red light having wave length 750 nm ?

What are the possible values of magnetic quantum number for $p$ orbital?

Which amino acid from following contains highest number of N atoms in it?

What is the number of chiral carbon atoms and number of formyl groups respectively present in ribose?

Which among the following is the strongest acid?

Identify the product obtained when alkyl alkanoate is hydrolysed with dilute HCl .

Identify the reagent ' R ' necessary to bring the following conversion.

\(\text { Identify ' } A \text { ' in the following reaction. }\)

What is the formal charge present on oxygen atom (numbered 1) in Lewis structure of $\mathrm{CO}_2$ ?

Calculate activation energy for a reaction if it's rate doubles when temperature is raised from $20^{\circ} \mathrm{C}$ to $35^{\circ} \mathrm{C}\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)$

Which of the following equation exhibits integrated rate law equation for first order reaction?

If half life of a first order reaction is 10 minutes, find the time required to decrease concentration of reactant from 0.08 M to 0.02 M .

How many moles of iodomethane are consumed in the following conversion?
\(\mathrm{CH}_3 \mathrm{NH}_2 \xrightarrow[\Delta]{\mathrm{CH}_3 \mathrm{l}}\left(\mathrm{CH}_3\right)_4 \mathrm{~N}^{+} \mathrm{I}^{-}\)

Which of the following isomeric amines has the highest boiling point?

Which from following complexes is having ambidentate ligand in it?

Identify the coordination number of aluminium in potassium trioxalatoaluminate(III).

Identify false statement about transition elements.

Which element from following does NOT exhibit magnetic moment in +1 state?

Which of the following is selected as cathode for a galvanic cell set up with nickel anode?

What is the quantity of electricity required to liberate $112 \mathrm{~cm}^3$ of hydrogen gas at STP from acidified water?

The molar conductivity of $0.02 \mathrm{~mol} \mathrm{dm} \mathrm{dm}^{-3}$ solution of sodium hydroxide is $230.5 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$. What is it's conductivity?

Which from following chemical activities does NOT exhibit good atom economy according to the principles of green chemistry?

Which from following groups exhibits +I effect?

Which of the following acid strength is used to get good yield of alkyl iodide from alcohol and sodium iodide in phosphoric acid?

\(\text { Which among the following is haloarene? }\)

Identify the product ' $C$ ' formed in the following series of reactions.

Which from the following equations represents the relation between solubility ( $\mathrm{mol} \mathrm{L}^{-1}$ ) and solubility product for the salt $\mathrm{B}_2 \mathrm{~A}$ ?

Calculate the pOH of buffer solution formed from 0.3 M weak base and 0.45 M of its salt with strong acid $\left[\mathrm{pK}_{\mathrm{b}}=4.7447\right]$

Calculate degree of dissociation of a weak monobasic acid in 0.01 M solution if dissociation constant is $1.6 \times 10^{-5}$.

What is the name of isopropyl alcohol according to carbinol system?

What is the IUPAC name of following compound?

Which from following is an example of solution of solid as solute and liquid as solvent?

Calculate the Henry's law constant at $25^{\circ} \mathrm{C}$ if solubility of gas in liquid is $2.1 \times 10^{-2} \mathrm{~mol} \mathrm{dm}^{-3}$ at 0.18 bar.

If osmotic pressure of 0.2 M aqueous glucose solution is 5 atm at 300 K . Calculate the concentration of glucose solution having osmotic pressure 2.5 atm at same temperature.

Which from following elements is a decay product of thorium?

If $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}$ are four different elements with outer electronic configuration as $\mathrm{A}=4 \mathrm{~s}^2 4 \mathrm{p}^4, \mathrm{~B}=4 \mathrm{~s}^2 4 \mathrm{p}^5, \mathrm{C}=5 \mathrm{~s}^2 5 \mat...

Which among the following is a monomer of natural rubber?

Which from following is a semisynthetic polymer?

Which of the following changes exhibit that nitrogen undergoes oxidation?

Identify the use of calcium carbonate from following.

Calculate the molar mass of an element having density $19.2 \mathrm{~g} \mathrm{~cm}^{-3}$ if it forms fcc structure $\left[\mathrm{a}^3 \times \mathrm{N}_{\mathrm{A}}=40 \mathrm{~cm}^3 \mathrm{~mol}^{-1}\right]$

Calculate the volume occupied by particle in simple cubic unit cell if volume of unit cell is $5.5 \times 10^{-22} \mathrm{~cm}^3$.

What is the minimum number of spheres required to develop an octahedral void?

What is the ratio of mass of nitrogen that combines with 16 parts by weight of oxygen in $\mathrm{N}_2 \mathrm{O}, \mathrm{NO}, \mathrm{NO}_2$ ?

Calculate the final pressure required to reduce the volume of a gas to one third, if initial pressure is $1.6 \times 10^5 \mathrm{Nm}^{-2}$.

Which from following statements is NOT true about physisorption?

What is the change in internal energy for $2 \mathrm{CO}_{(\mathrm{g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{CO}_{2(\mathrm{~g})}$ at $25^{\circ} \mathrm{C}$ ?
( $\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}...

Which from following terms is explained by first law of thermodynamics?

The entropy of vaporisation of benzene is $85 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}$. When 117 g of benzene vaporises at its boiling point, what is entropy change of surrounding if process is at equilibrium?