The element that does not belong to the same period of the remaining elements (modern periodic table) is _______.

A paper dipped in a dil. \(H_2SO_4\) solution of '\(X\)' upon treatment with \(SO_2\) gas turns into green. The compound '\(X\)' is :

Given below are two statements. One is labelled as Assertion \(A\) and the other is labelled as Reason \(R\). Assertion \(A\): Amylose is insoluble in water. Reason \(R\): Amylose is a long linear molecule with more than \(200\) glucose units. In the light of the above statements, choose the correct answer from the options given below.

Consider the following cell reaction : \(\mathrm{Cd}_{(s)}+\mathrm{Hg}_{2} \mathrm{SO}_{4(s)}+\frac{9}{5} \mathrm{H}_{2} \mathrm{O}_{(l)} \rightleftharpoons \mathrm{CdSO}_{4} \cdot \frac{9}{5} \mathrm{H}_{2} \mathrm{O}_{(s)}+2 \mathrm{Hg}_{(l)}\) The value of \(\mathrm{E}_{\text {cell }}^{0}\) is \(4.315\, \mathrm{~V}\) at \(25^{\circ} \mathrm{C}\). If \(\Delta \mathrm{H}^{\circ}=-825.2\, \mathrm{~kJ} \,\mathrm{~mol}^{-1}\), the standard entropy change \(\Delta \mathrm{S}^{\circ}\) in \(\mathrm{J} \,\mathrm{K}^{-1}\) is ........ . (Nearest integer) [Given : Faraday constant \(=96487\, \mathrm{C}\, \mathrm{mol}^{-1}\) ]

For complete combustion of ethanol, \(C_2H_5OH_{(l)}+{3O_2} _{(g)} \rightarrow 2{CO_2} _{(g)}+3{H_2O}_{(l)}\) the amount of heat produced as measured in bomb calorimeter, is \(1364.47\, kJ\, mol^{-1}\) at \(25\,^oC.\) Assuming ideality the enthalpy of combustion, \(\Delta_CH,\) for the reaction will be : \((R = 8.314\,kJ \,mol^{-1})\) .....\(kJ\, mol^{-1}\)

The increasing order of the boiling points for the following compounds is \(\mathop {{C_2}{H_5}OH}\limits_{\left( I \right)} \)    \(\mathop {{C_2}{H_5}Cl}\limits_{\left( {II} \right)} \)   \(\mathop {{C_2}{H_5}C{H_3}}\limits_{\left( {III} \right)} \)   \(\mathop {{C_2}{H_5}OC{H_3}}\limits_{\left( {IV} \right)} \)

Number of moles of \(AgCl\) formed in the following reaction is \(........\).

When a particle executes simple Harmonic motion, the nature of graph of velocity as function of displacement will be.

A solution containing \(2.5 \times 10^{-3}\, kg\) of a solute dissolved in \(75 \times 10^{-3} \,kg\) of water boils at \(373.535\) \(K\). The molar mass of the solute is \(.....\,g\, mol ^{-1}\). [nearest integer] (Given: \(K _{ b }\left( H _{2} O \right)=0.52 \,K\, Kg\,mol ^{-1}\), boiling point of water \(=373.15 \,K\) )

\(IUPAC\) name of following hydrocarbon \((\mathrm{X})\) is _______.

In the given circuit, the current through zener diode is......\(mA\)

An average person needs about \(10000\, \mathrm{~kJ}\) energy per day. The amount of glucose (molar mass \(=180.0\, \mathrm{~g} \,\mathrm{~mol}^{-1}\) ) needed to meet this energy requirement is \(.....\,\mathrm{g}\). (Nearest integer) (Use : \(\Delta_{\mathrm{c}} \mathrm{H}(\) glucose \()=-2700\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}\) )

If a compound \(Ab\) dissociates to the extent of \(75 \,\%\) in an aqueous solution, the molality of the solution which shows a \(2.5\, K\) rise in the boiling point of the solution is ......  molal. (Rounded-off to the nearest integer) \(\left[ K _{ b }=0.52 \,K \,kg\, mol ^{-1}\right]\)