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MHT CET (PCB) 2025 9th April Morning Shift

MHT CET (Biology) / 50 questions

2025Wed, Apr 9, 2025 3:30 AM50 PYQs
1Alcohol Phenols And Ethers
What is the name of t-butyl alcohol according to carbinol system?
MCQ+1 / -02025
2Alcohol Phenols And Ethers
Which of the following is secondary benzylic alcohol?
MCQ+1 / -02025
3Aldehyde And Ketone
Which of the following on reaction with Grignards reagent followed by hydrolysis forms secondary alcohol?
MCQ+1 / -02025
4Aldehyde And Ketone
Identify an aldehyde used in margarine and food for its buttery odour.
MCQ+1 / -02025
5Atomic Structure
Calculate the energy of photon in electromagnetic radiation having wavelength $400 \mathrm{~nm}\left(\mathrm{~h}=6.626 \times 10^{-34} \mathrm{Js} ; \mathrm{c}=3 \times 10^8 \mathrm{~ms}^{-1}\right)$.
MCQ+1 / -02025
6Biomolecules
Which from following amino acids is synthesized in our body?
MCQ+1 / -02025
7Biomolecules
What is the maximum number of ester linkages in a triglyceride?
MCQ+1 / -02025
8Biomolecules
Identify the quantity of carbohydrate units formed after hydrolysis of n mole lactose.
MCQ+1 / -02025
9Carboxylic Acids And Its Derivatives
Which from following is the strongest haloacetic acid?
MCQ+1 / -02025
10Chemical Bonding And Molecular Structure
Which of the following compounds has highest lattice energy?
MCQ+1 / -02025
11Chemical Kinetics
$60 \%$ of a first order reaction is completed in 60 minute. What is the time taken by reactant to decompose half of its original amount?
MCQ+1 / -02025
12Chemical Kinetics
Consider the reaction
\(3 \mathrm{I}_{(\mathrm{aq})}^{-}+\mathrm{S}_2 \mathrm{O}_{8(\mathrm{aq})}^{--} \longrightarrow \mathrm{I}_{3(\mathrm{aq})}^{-}+2 \mathrm{SO}_{4(\mathrm{aq})}^{2-}\)
rate of formation of $\mathrm{SO}_4^{2-}$ at a pa...
MCQ+1 / -02025
13Chemical Kinetics
The rate law for the reaction, $x \mathrm{~A}+y \mathrm{~B} \longrightarrow \mathrm{mP}+\mathrm{nQ}$, is $\mathrm{r}=\mathrm{k}[\mathrm{A}]^{\mathrm{c}} \times[\mathrm{B}]^{\mathrm{d}}$ What is the overall order of reaction?
MCQ+1 / -02025
14Compounds Containing Nitrogen
Identify product P in following reaction. Acetamide $+4[\mathrm{H}] \xrightarrow{\mathrm{Na}_2-\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}} \mathrm{P}$
MCQ+1 / -02025
15Compounds Containing Nitrogen
What is the number of alkyl groups attached with N -atom of amines formed when 4 n moles of alkyl halide treated with n mole alc. $\mathrm{NH}_3$ at 373 K ?
MCQ+1 / -02025
16Coordination Compounds
What is EAN of Mn in $\mathrm{Mn}(\mathrm{CO})_5$ ?
MCQ+1 / -02025
17Coordination Compounds
Identify the ligands present Pentaamminecarbonatocobalt(III)chloride.
MCQ+1 / -02025
18D And F Block Elements
Identify inner transition element from following.
MCQ+1 / -02025
19D And F Block Elements
Which from following is a transition element and also included as post actinoid element?
MCQ+1 / -02025
20Electrochemistry
The conductivity of 0.1 M KCl solution at $23^{\circ} \mathrm{C}$ is $0.012 \Omega^{-1} \mathrm{~cm}^{-1}$.
Resistance of a cell containing the solution at same temperature was found to be $50 \Omega$. Calculate the cell constant.
MCQ+1 / -02025
21Electrochemistry
Identify the electrolyte from following so that $\wedge_0$ is not obtained from the graphical variation of $\wedge$ against $\sqrt{\mathrm{C}}$ ?
MCQ+1 / -02025
22Environmental Chemistry
Which of the following gas has high percentage by volume in air?
MCQ+1 / -02025
23General Organic Chemistry
What is the number of moles of ' C ' atoms and ' H ' atoms respectively present in n mole molecule represented as follows?
MCQ+1 / -02025
24General Organic Chemistry
What is the molecular formula of following compound?
MCQ+1 / -02025
25Haloalkanes And Haloarenes
Which among the following is vinylic halide?
MCQ+1 / -02025
26Haloalkanes And Haloarenes
Which of the following compounds has highest boiling point?
MCQ+1 / -02025
27Hydrogen And Its Compounds
Which of the following is water gas shift reaction?
MCQ+1 / -02025
28Ionic Equilibrum
Identify the compound from following so that Ostwald's dilution law is NOT applicable to it.
MCQ+1 / -02025
29Ionic Equilibrum
At 298 K pH of a solution is 13 . What is the number of $\mathrm{H}_3 \mathrm{O}^{+}$ions present in one mL of this solution?
MCQ+1 / -02025
30Ionic Equilibrum
The solubility product of $\mathrm{PbI}_2$ is $2.8 \times 10^{-8}$. Calculate its solubility in $\mathrm{mol} \mathrm{dm}^{-3}$.
MCQ+1 / -02025
31Isomerism
Which of the following alkanes does NOT exhibit structural isomerism?
MCQ+1 / -02025
32Iupac Nomenclature
What is IUPAC name of glyoxal?
MCQ+1 / -02025
33Liquid Solution
The osmotic pressure of equimolar concentration of $\mathrm{CaCl}_2$ and urea at same temperature are 0.6 atm and 0.25 atm respectively. Calculate van't Hoff factor for $\mathrm{CaCl}_2$.
MCQ+1 / -02025
34Liquid Solution
Calculate the molal elevation constant of water if boiling point of 0.7 m solution of non volatile solute is 373.5 K .
[Boiling point of water $=373.15 \mathrm{~K}$ ]
MCQ+1 / -02025
35Liquid Solution
What type of solution is the benzoic acid in benzene?
MCQ+1 / -02025
36P Block Elements
Which of the following is the most abundant chalcogens?
MCQ+1 / -02025
37P Block Elements
Which of the following hydride of chalcogens has lowest bond angle and highest bond length?
MCQ+1 / -02025
38Polymers
Identify linear polymer from following.
MCQ+1 / -02025
39Polymers
Which from following is a biodegradable polymer?
MCQ+1 / -02025
40Redox Reactions
Calculate the number of electrons required to reduce completely $0.1 \mathrm{~mol} \mathrm{Al}^{+3}$ ions from aqueous $\mathrm{Al}_2\left(\mathrm{SO}_4\right)_3$ solution.
MCQ+1 / -02025
41Redox Reactions
What is the number of electrons released in conversion of $\mathrm{C}_2 \mathrm{O}_4^{2-}$ to $\mathrm{CO}_2$ ?
MCQ+1 / -02025
42Solid State
Which of the following statements is NOT true about vacancy defect?
MCQ+1 / -02025
43Solid State
Calculate the volume occupied by a particle in simple cubic unit cell if the total volume of unit cell is $4.0 \times 10^{-23} \mathrm{~cm}^3$.
MCQ+1 / -02025
44Solid State
In ionic solid, anions are arranged in ccp array and cations occupy all the octahedral voids. What is the formula of ionic compound? [consider $\mathrm{A}=$ cation; $\mathrm{B}=$ anion]
MCQ+1 / -02025
45Some Basic Concepts Of Chemistry
Which from following is an example of intensive property?
MCQ+1 / -02025
46Some Basic Concepts Of Chemistry
24 g carbon react with oxygen to produce 88 g carbon dioxide. Find the amount of oxygen used.
MCQ+1 / -02025
47Surface Chemistry
Identify zero-dimensional nanostructure from examples given below.
MCQ+1 / -02025
48Surface Chemistry
Which of the following is false regarding adsorption?
MCQ+1 / -02025
49Thermodynamics
For a certain reaction, $\Delta \mathrm{H}^{\circ}=219 \mathrm{~kJ}$ and $\Delta \mathrm{S}^{\circ}=-21 \mathrm{JK}^{-1}$. Find the value of $\Delta \mathrm{G}^{\circ}$.
MCQ+1 / -02025
50Thermodynamics
Calculate the work done in following reaction.
$$ \begin{aligned} & \mathrm{C}_2 \mathrm{H}_{4(\mathrm{~g})}+\mathrm{HCl}_{(\mathrm{g})} \longrightarrow \mathrm{C}_2 \mathrm{H}_5 \mathrm{Cl}_{(\mathrm{g})} \text { at } 27^{\circ} \mathrm{C}...
MCQ+1 / -02025

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