MHT CET 2025 20th April Morning Shift

Which among the following compounds has lowest boiling point?

Identify the substrate ' X ' in the following reaction.
\(\mathrm{X}+\underset{\text { (air) }}{\mathrm{O}_2} \xrightarrow[\text { ii) dil HCl } \Delta]{\text { i) Co-naphenate } 423 \mathrm{~K}} \text { Phenol }+ \text { Acetone }\)

Identify the structural formula of phloroglucinol.

Identify the product ' $Z$ ' in the following series of reactions.
\(\text { Ethanol } \xrightarrow[\Delta]{\mathrm{SOCl}_2} \mathrm{X} \xrightarrow[\text { Dry ether }]{\mathrm{Mg}} \mathrm{Y} \xrightarrow{\mathrm{NH}_3} \mathrm{Z}\)

Which from following reagents is used in Gatterman-Koch formylation of arene?

Calculate the energy associated with third orbit of $\mathrm{He}^{+}$.

Which from following is an essential amino acid?

Which from following tests contirms presence of aldehydic group in glucose?

Which among the following is NOT dicarboxylic acid?

Identify the product ' B ' in the following sequence of reactions.
\(\text { Methylpropanoate } \xrightarrow[\text { dil. } \mathrm{NaOH}]{\Delta} \mathrm{A} \xrightarrow[\text { Conc. } \mathrm{HCl}]{\mathrm{H}^{+}} \mathrm{B}\)

Identify a molecule having highest number of lone pair of electrons in valence shell of central atom.

Identify the geometry of $\mathrm{TeF}_4$ molecule from the following.

The rate constant for a first order reaction is $0.58 \mathrm{~s}^{-1}$ at 300 K and $0.026 \mathrm{~s}^{-1}$ at 290 K .
What is the energy of activation?
\(\left(\mathrm{R}=8.314 \mathrm{~J} \mathrm{~K}^{-1} \mathrm{~mol}^{-1}\right)\)

Which of the following equations is correct regarding rate of disappearance of reactant and appearance of product for
\(\mathrm{N}_{2(\mathrm{~g})}+3 \mathrm{H}_{2(\mathrm{~g})} \longrightarrow 2 \mathrm{NH}_{3(\mathrm{~g})}\)

The rate constant for the reaction, $2 \mathrm{~N}_2 \mathrm{O}_{5(\mathrm{~g})} \rightarrow 2 \mathrm{~N}_2 \mathrm{O}_{4(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}$ is $4.98 \times 10^{-4} \mathrm{~s}^{-1}$. What is the order of reaction?

Which from following statements is correct regarding a detergent sodium lauryl sulphate?

Identify the ligands present in cisplatin.

Identify the correct decreasing order of stability of complexes formed by divalent metal ions with same ligand.

Which from following is a lanthanoid element?

What is the number of unpaired electrons in Ti in +3 state?

Which of the following species acts as reducing agent during working of hydrogen-oxygen fuel cell?

Which from following formulae is used to obtain value of $\mathrm{E}_{\text {cell }}^r$ for a reaction taking place in Dry cell?

Standard potential $\left(\mathrm{E}^{\circ}\right)$ of $\mathrm{Zn}_{(\mathrm{aq})}^{+2}+2 \mathrm{e}^{-} \longrightarrow \mathrm{Zn}_{(\mathrm{s})}$ is -0.76 V .
What is standard potential of reaction $2 \mathrm{Zn}_{(\mathrm{s})} \longri...

Identify the reagent involved in Sandmeyer reaction.

Which of the following pair of compounds on heating gives butanenitrile?

Which among the following is NOT benzylic halide?

Identify the product ' X ' formed in the following reaction,
Sodium ethoxide + Isopropyl chloride$\longrightarrow \mathrm{X}+$ Ethanol + Sodium chloride

The reaction of propane with bromine in presence of UV light predominantly forms

What is the pH of buffer solution formed by mixing 0.01 M acetic acid and 0.05 M sodium acetate? $\left(\mathrm{pK}_{\mathrm{a}}=4.7447\right)$

The solubility of AgBr is $7.1 \times 10^{-7} \mathrm{~mol} \mathrm{dm}^{-3}$. Calculate its solubility product at the same temperature.

Solubility of $\mathrm{Ca}_3\left(\mathrm{PO}_4\right)_2$ is ' S ' $\mathrm{mol} \mathrm{dm}{ }^{-3}$. Find solubility product.

Which from following functional groups has highest priority order for naming the poly functional compound?

Which of the following solutions exhibits highest freezing point depression?

Calculate the concentration of dissolved gas in water at $25^{\circ} \mathrm{C}$ if partial pressure of gas at same temperature is 0.15 atm .
\(\left[\mathrm{K}_{\mathrm{H}}=0.15 \mathrm{~mol} \mathrm{dm}^{-3} \mathrm{~atm}^{-1}\right]\)

Calculate the osmotic pressure of 0.03 mole of non electrolyte solute dissolved in $0.1 \mathrm{dm}^3$ of water at $300 \mathrm{~K} .\left[\mathrm{R}=0.082 \mathrm{dm}^3 \mathrm{~atm} \mathrm{~mol}^{-1} \mathrm{~K}^{-1}\right]$

Identify false statement from the following about fluorine.

Identify thermoplastic polymer from following.

Identify the monomers use to prepare glyptal.

Which metal in following compounds is not present in fractional oxidation state?

Which of the following set of elements is present in apatite?

Calculate the total number of tetrahedral and octahedral voids formed in 0.6 mol of a compound if it forms hcp structure.

Calculate the molar mass of an element if it forms fcc unit cell structure [mass of unit cell $=1.8 \times 10^{-22} \mathrm{~g}, \mathrm{~N}_{\mathrm{A}}=6.022 \times 10^{23} \mathrm{~mol}^{-1}$ ]

Identify the type of defect from following in stainless steel.

If salicylic acid ( 138 u ) reacts with acetic anhydride ( 102 u ) to from aspirin ( 180 u ) calculate \% atom economy.

What is the mass in grams of 0.25 mol water?

If compressibility factor of real gas is 1.05 at STP. What is molar volume of real gas?

Which of the following is not negatively charged sol?

Which from following process involves zero work done?

Calculate the constant external pressure required to expand 2 moles of an ideal gas from volume $15 \mathrm{dm}^3$ to $20 \mathrm{dm}^3$ if amount of work done is -600 J .

Calculate the enthalpy of vaporisation of ethanol if 11.5 g of ethanol is completely vaporised by supplying 11.8 kJ of heat.