Choose the correct colour of the product for the following reaction.

In the given pentapeptide, find out an essential amino acid (Y) and the sequence present in the pentapeptide:

Choose the correct answer from the options givenbelow:

\(200\, \mathrm{~mL}\) of \(0.2\, \mathrm{M} \mathrm{HCl}\) is mixed with \(300\, \mathrm{~mL}\) of \(0.1\, \mathrm{M} \mathrm{NaOH}\). The molar heat of neutralization of this reaction is \(-57.1 \,\mathrm{~kJ}\). The increase in temperature in \({ }^{\circ} \mathrm{C}\) of the system on mixing is \(\mathrm{x} \times 10^{-2}\). The value of \(\mathrm{x}\) is ....... . (Nearest integer) [Given : Specific heat of water \(=4.18\, \mathrm{~J} \,\mathrm{~g}^{-1}\, \mathrm{~K}^{-1}\) Density of water \(=1.00\, \mathrm{~g}\, \mathrm{~cm}^{-3}\) ] (Assume no volume change on mixing)

Thyroxine, the hormone has given below structure

The percentage of iodine in thyroxine is ____ \(\%\). (nearest integer)
(Given molar mass in \(\mathrm{g} \mathrm{mol}^{-1} \mathrm{C}: 12. \mathrm{H}: 1, \mathrm{O}: 16\), \(\mathrm{N}: 14, \mathrm{I}: 127)\)

The bond dissociation enthalpy of \(\mathrm{X}_2 \Delta \mathrm{H}_{\text {bond }}\) calculated from the given data is _______ \(\mathrm{kJ} \mathrm{mol}^{-1}\). (Nearest integer)
\(\begin{aligned}
& \mathrm{M}^{+} \mathrm{X}^{-}(\mathrm{s}) \rightarrow \mathrm{M}^{+}(\mathrm{g})+\mathrm{X}^{-}(\mathrm{g}) \Delta \mathrm{H}_{\text {lattice }}^*=800 \mathrm{~kJ} \mathrm{~mol}^{-1} \\
& \mathrm{M}(\mathrm{~s}) \rightarrow \mathrm{M}(\mathrm{~g}) \Delta \mathrm{H}_{\text {sub }}^{\circ}=100 \mathrm{~kJ} \mathrm{~mol}^{-1}
\end{aligned}\)
\(\mathrm{M}(\mathrm{~g}) \rightarrow \mathrm{M}^{+}(\mathrm{g})+\mathrm{e}^{-}(\mathrm{g}) \Delta \mathrm{H}_{\mathrm{i}}=500 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
\(\mathrm{X}(\mathrm{~g})+\mathrm{e}^{-}(\mathrm{g}) \rightarrow \mathrm{X}^{-}(\mathrm{g}) \Delta \mathrm{H}_{\mathrm{eg}}^*=-300 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
\(\mathrm{M}(\mathrm{~s})+\frac{1}{2} \mathrm{X}_2(\mathrm{~g}) \rightarrow \mathrm{M}^{+} \mathrm{X}^{-}(\mathrm{s}) \Delta \mathrm{H}_f^{\circ}=-400 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
[Given : \(\mathrm{M}^{+} \mathrm{X}^{-}\)is a pure ionic compound and X forms a diatomic molecule \(\mathrm{X}_2\) in gaseous state]

The calculated spin only magnetic moments \((BM)\) of the anionic and cationic species of \({\left[ {Fe{{\left( {{H_2}O} \right)}_6}} \right]_2}\) and \(\left[ {Fe{{\left( {CN} \right)}_6}} \right]\) , respectively, are:

In which of the following pairs, the outer most electronic configuration will be the same ?

If \(I _{ n }=\int_{\frac{\pi}{4}}^{\frac{\pi}{2}} \cot ^{ n } x dx ,\) then :

A parallel plate capacitor filled with a medium of dielectric constant \(10\) , is connected across a battery and is charged. The dielectric slab is replaced by another slab of dielectric constant \(15\) . Then the energy of capacitor will ......................

Addition of sodium hydroxide solution to a weak acid \((HA)\) results in a buffer of \(pH\, 6\). lf ionisation constant of \(HA\) is \(10^{-5}\) , the ratio of salt to acid concentration in the buffer solution will be 

A uniform electric field of \(10\,N / C\) is created between two parallel charged plates (as shown in figure). An electron enters the field symmetrically between the plates with a kinetic energy \(0.5\,eV\). The length of each plate is \(10\,cm\). The angle \((\theta)\) of deviation of the path of electron as it comes out of the field is  \(.........\)(in degree).

\(A\) and \(B\) decompose via first order kinetics with half-lives \(54.0\, min\) and \(18.0\, min\) respectively. Starting from an equimolar non reactive mixture of \(A\) and \(B\), the time taken for the concentration of \(A\) to become \(16\) times that of \(B\) is ...... \(min.\) (Round off to the Nearest Integer).

If momentum \([ P ]\), area \([ A ]\) and time \([ T ]\) are taken as fundamental quantities, then the dimensional formula for coefficient of viscosity is :