KCET 2022
KCET / 180 questions
2026Thu, Jun 16, 2022 4:30 AM180 PYQs
1Alcohol Phenols And Ethers
An organic compound with molecular formula \(\mathrm{C}_7 \mathrm{H}_8 \mathrm{O}\) dissolves in \(\mathrm{NaOH}\) and gives a characteristic colour with \(\mathrm{FeCl}_3\). On treatment with bromine, it gives a tribromo derivative $$\math...
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2Alcohol Phenols And Ethers
In Kolbe's reaction the reacting substances are
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3Alcohol Phenols And Ethers
The major product obtained when ethanol is heated with excess of conc. \(\mathrm{H}_2 \mathrm{SO}_4\) at \(443 \mathrm{~K}\) is
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4Alcohol Phenols And Ethers
Among the following, the products formed by the reaction of anisole with \(\mathrm{HI}\) are
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5Alcohol Phenols And Ethers
Which is most VISCOUS?
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6Aldehyde And Ketone
The general name of the compound formed by the reaction between aldehyde and alcohol is
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7Aldehyde And Ketone
The test to differentiate between pentan-2-one and pentan-3-one is
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8Atomic Structure
If wavelength of photon is \(2.2 \times 10^{-11} \mathrm{~m}\) and \(h=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}\), then momentum of photon
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9Biomolecules
A nucleic acid, whether DNA or RNA gives on complete hydrolysis, two purine bases, two pyrimidine bases, a pentose sugar and phosphoric acid. Nucleotides which are intermediate products in the hydrolysis contain
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10Carboxylic Acids And Its Derivatives
Reaction by which benzaldehyde cannot be prepared is
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11Carboxylic Acids And Its Derivatives
Ethanoic acid undergoes Hell-Volhard Zelinsky reaction but methanoic acid does not, because of
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12Chemical Bonding And Molecular Structure
In oxygen and carbon molecule the bonding is
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13Chemical Equilibrium
1 mole of \(\mathrm{HI}\) is heated in a closed container of capacity of \(2 \mathrm{~L}\). At equilibrium half a mole of \(\mathrm{HI}\) is dissociated.
The equilibrium constant of the reaction is
The equilibrium constant of the reaction is
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14Chemical Kinetics
For \(n\)th order of reaction, half-life period is directly proportional to
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15Chemical Kinetics
Half-life of a reaction is found to be inversely proportional to the fifth power of its initial concentration, the order of reaction is
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16Chemical Kinetics
A first order reaction is half completed in \(45 \mathrm{~min}\). How long does it need \(99.9 \%\) of the reaction to be completed?
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17Chemical Kinetics
The rate of the reaction, \(\mathrm{CH}_3 \mathrm{COOC}_2 \mathrm{H}_5+\mathrm{NaOH} \longrightarrow \mathrm{CH}_3 \mathrm{COONa}+\mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\) is given by the equation, rate $$=k\left[\mathrm{CH}_3 \mathrm{COOC}_2...
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18Chemistry In Everyday Life
Which institute has approved the emergency use of 2-deoxy-D-glucose as additive therapy for COVID-19 patients?
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19Compounds Containing Nitrogen
Identify the products \(A\) and \(B\) in the reactions :
$$\begin{aligned} & R-X+\mathrm{AgCN} \longrightarrow A+\mathrm{Ag} X \\ & R-X+\mathrm{KCN} \longrightarrow B+\mathrm{KX} \end{aligned}$$
$$\begin{aligned} & R-X+\mathrm{AgCN} \longrightarrow A+\mathrm{Ag} X \\ & R-X+\mathrm{KCN} \longrightarrow B+\mathrm{KX} \end{aligned}$$
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20Compounds Containing Nitrogen
In carbylamine test for primary amines the resulting foul smelling product is
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21Compounds Containing Nitrogen
A secondary amine is
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22Coordination Compounds
The correct IUPAC name of cis-platin is
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23Coordination Compounds
Crystal field splitting energy (CFSE) for \(\left[\mathrm{CoCl}_6\right]^{4-}\) is \(18000 \mathrm{~cm}^{-1}\). The crystal field splitting energy (CFSE) for \(\left[\mathrm{CoCl}_4\right]^{2-}\) will be
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24Coordination Compounds
The complex hexamineplatinum(IV)chloride will give _____ number of ions on ionisation.
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25D And F Block Elements
A transition metal exists in its highest oxidation state. It is expected to behave as
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26D And F Block Elements
What will be the value of \(x\) in \(\mathrm{Fe}^{x+}\), if the magnetic moment, \(\mu=\sqrt{24} \mathrm{~BM}\) ?
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27D And F Block Elements
The only lanthanoid which is radioactive
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28Electrochemistry
In fuel cells _______ are used as catalysts.
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29Electrochemistry
The molar conductivity is maximum for the solution of concentration
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30Electrochemistry
For spontaneity of a cell, which is correct?
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31Electrochemistry
Specific conductance of \(0.1 \mathrm{~M} \mathrm{~HNO}_3\) is \(6.3 \times 10^{-2} \mathrm{~ohm}^{-1} \mathrm{~cm}^{-1}\). The molar conductance of the solution is
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32Haloalkanes And Haloarenes
In the following pairs of halogen compounds, which compound undergoes faster \(S_N 1\) reaction?
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33Haloalkanes And Haloarenes
Which one of the following chlorohydrocarbon readily undergoes solvolysis?
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34Hydrocarbons
Identify, A and B in the following reaction
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35Ionic Equilibrum
Which among the following has highest \(\mathrm{pH}\) ?
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36Iupac Nomenclature
The IUPAC name for
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37Liquid Solution
Solubility of a gas in a liquid increases with
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38Liquid Solution
The rise in boiling point of a solution containing \(1.8 \mathrm{~g}\) of glucose in \(100 \mathrm{~g}\) of solvent is \(0.1^{\circ} \mathrm{C}\). The molal elevation constant of the liquid is
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39Liquid Solution
If \(3 \mathrm{~g}\) of glucose (molar mass \(=180 \mathrm{~g}\)) is dissolved in \(60 \mathrm{~g}\) of water at \(15^{\circ} \mathrm{C}\), the osmotic pressure of the solution will be
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40Liquid Solution
Which of the following colligative properties can provide molar mass of proteins, polymers and colloids with greater precision?
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41P Block Elements
Which of the following hydrides is electron deficient?
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42P Block Elements
\(\left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7\) on heating liberates a gas. The same gas will be obtained by
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43P Block Elements
The strong reducing property of hypophosphorus acid is due to
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44Periodic Table And Periodicity
Amphoteric oxide among the following
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45Periodic Table And Periodicity
The property of halogens which is not correctly matched is
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46Periodic Table And Periodicity
Which noble gas has least tendency to form compounds?
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47Periodic Table And Periodicity
Elements \(X, Y\) and \(Z\) have atomic numbers 19, 37 and 55 respectively. Which of the following statements is true about them ?
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48Polymers
Which of the following is correctly matched?
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49Redox Reactions
In which of the following compounds, an element exhibits two different oxidation states?
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50Redox Reactions
All Cu(II) halides are known, except the iodide, the reason for it is that
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