KCET 2019

Which of the following can be used to test the acidic nature of ethanol?

Match the following acids with their \(pKa\) values :

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Which is the most suitable reagent for the following conversion?

The reagents \(A, B\) and \(C\) respectively are

Two particle \(A\) and \(B\) are in motion. If the wavelength associated with '\(A\)' is \(33.33 \mathrm{~nm}\), the wavelength associated with '\(B\)' whose momentum is \(\frac{1}{3} \mathrm{rd}\) of '\(A\)' is

The vitamin that helps in clotting of blood is

Which of the following is generally water insoluble?

In nucleic acids, the nucleotides are joined together by

Propanoic acid undergoes HVZ reaction to give chloropropanoic acid. The product obtained is

\(P \xrightarrow{\mathrm{H}_2 / \text { Pd- } \mathrm{BaSO}_4} Q \xrightarrow[\text { (ii)Dil. } \mathrm{HCl}]{\text { (i) Con. } \mathrm{NaOH}}\)
\(R\) and \(S\) form benzyl benzoate when treated with each other. Hence \(P\) is

Which of the following pair contains 2 lone pair of electrons on the central atom?

Which of the following possess net dipole moment?

The plot of \(t_{1 / 2} \mathrm{~v} / \mathrm{s}~[R]_0\) for a reaction is a straight-line parallel to \(X\)-axis. The unit for the rate constant of this reaction is

1L of \(2 \mathrm{M~CH}_3 \mathrm{COOH}\) is mixed with 1L of \(3 \mathrm{M} \mathrm{~C}_2 \mathrm{H}_5 \mathrm{OH}\) to form an ester. The rate of the reaction with respect to the initial rate when each solution is diluted with an equal vo...

Which is a wrong statement?

Anti-histamine among the following is

Which of the following is least soluble in water at \(298 \mathrm{~K}\) ?

If aniline is treated with \(1: 1\) mixture of conc. \(\mathrm{HNO}_3\) and conc. \(\mathrm{H}_2 \mathrm{SO}_4\), p-nitroaniline and \(m\)-nitroaniline are formed nearly in equal amounts. This is due to

Which among the following is the strongest ligand?

The formula of pentaaquanitratochromium (III) nitrate is,

The elements in which electrons are progressively filled in \(4 f\)-orbital are called

Incorrect statement with reference to \(\mathrm{Ce}(Z=58)\) is

A mixture of \(\mathrm{NaCl}\) and \(\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7\) is heated with conc. \(\mathrm{H}_2 \mathrm{SO}_4\), deep red vapours are formed. Which of the following statements is false?

Which of the following statements is wrong?

Oxidation state of copper is +1 in

One litre solution of \(\mathrm{MgCl}_2\) is electrolysed completely by passing a current of \(1 \mathrm{~A}\) for \(16 \mathrm{~min} 5 \mathrm{~sec}\). The original concentration of \(\mathrm{MgCl}_2\) solution was
(Atomic mass of $$\math...

An aqueous solution of \(\mathrm{CuSO}_4\) is subjected to electrolysis using inert electrodes. The \(\mathrm{pH}\) of the solution will

Give \(E_{\mathrm{Mn}^{+7} \mid \mathrm{Mn}^{+2}}^0=1.5 \mathrm{~V}\) and \(E_{\mathrm{Mn}^{+4}\mid \mathrm{Mn}^{+2}}^0=1.2 \mathrm{~V}\), then \(E_{\mathrm{Mn}^{+7} \mid \mathrm{Mn}^{+4}}^0\) is

Addition of excess of \(\mathrm{AgNO}_3\) to an aqueous solution of 1 mole of \(\mathrm{PdCl}_2 \cdot 4 \mathrm{NH}_3\) gives 2 moles of \(\mathrm{AgCl}\). The conductivity of this solution corresponds to

Eutrophication causes

Resonance effect is not observed in

The compound having longest C\(-\)Cl bond is

Which of the following halide undergoes hydrolysis on warming with water/aqueous \(\mathrm{NaOH}\) ?

The alkyl halides required to prepare by Wurtz reaction are

2-butyne is reduced to trans-but-2-ene using

The number of \(\pi\)-bonds and \(\sigma\)-bonds present in naphthalene are respectively

Which of the following is not true regarding the usage of hydrogen as a fuel?

Solubility of AgCl is least in

In the reaction
\(\mathrm{B}(\mathrm{OH})_3+2 \mathrm{H}_2 \mathrm{O} \rightarrow\left[B(\mathrm{OH})_4\right]^{-}+\mathrm{H}_2 \stackrel{+}{\mathrm{O}}, \mathrm{B}(\mathrm{OH})_3\)
functions as

A non-volatile solute, '\(A\)' tetramerises in water to the extent of \(80 \%.\) \(2 .5 \mathrm{~g}\) of '\(A\)' in \(100 \mathrm{~g}\) of water, lower the freezing point by \(0.3^{\circ} \mathrm{C}\). The molar mass of '\(A\)' in $$\mathrm...

Relative lowering of vapour pressure of a dilute solution of glucose dissolved in \(1 \mathrm{~kg}\) of water is 0.002 . The molality of the solution is

Solution '\(A\)' contains acetone dissolved in chloroform and solution '\(B\)' contains acetone dissolved in carbon disulphide. The type of deviations from Raoult's law shown by solutions \(A\) and \(B\), respectively are

Among the following, the main reactions occurring in blast furnace during extraction of iron from haematite are
(i) \(\mathrm{Fe}_2 \mathrm{O}_3+3 \mathrm{CO} \rightarrow 2 \mathrm{Fe}+3 \mathrm{CO}_2\)
(ii) $$\mathrm{FeO}+\mathrm{SiO}_2 \r...

0.1 mole of \(\mathrm{XeF}_6\) is treated with \(1.8 \mathrm{~g}\) of water. The product obtained is

The metal nitrate that liberates \(\mathrm{NO}_2\) on heating

The first ionisation enthalpy of the following elements are in the order :

The polymer containing five methylene groups in it s repeating unit is

Cis-1, 4-polyisoprene is called

The number of moles of electron required to reduce 0.2 mole of \(\mathrm{Cr}_2 \mathrm{O}_7^{-2}\) to \(\mathrm{Cr}^{+3}\) is

Which of the following statement is correct?