In the following system, \(\mathrm{PCl}_5(\mathrm{~g}) \rightleftharpoons \mathrm{PCl}_3(\mathrm{~g})+\mathrm{Cl}_2(\mathrm{~g})\) at equilibrium, upon addition of xenon gas at constant \(\mathrm{T} \& \mathrm{p}\), the concentration of...

Cannizaro' s reaction is not given by

Compound \(A\) gives \(D-\)Galactose and \(D-\)Glucose on hydrolysis. The compound \(A\) is:

The number of oxygens present in a nucleotide formed from a base, that is present only in \(RNA\) is ....

Consider the isomers of hydrocarbon with molecular formula \(C_5H_{10}\). These isomers do not decolourise \(KMnO_4\) solution. These isomers are subjected to chlorination with chlorine in presence of light to give monochloro compounds. The total number of monochloro compounds (structural isomers only) formed is _______.

For the following graphs, Choose from the options given below, the correct one regarding order of reaction is:

According to the valence bond theory the hybridization of central metal atom is \(\mathrm{dsp}^{2}\) for which one of the following compounds ?

In the given figure, each diode has a forward bias resistance of \(30\, \Omega\) and infinite resistance in reverse bias. The current \({I}_{1}\) will be \(....\,A\)

Sodium fusion extract of an organic compound \(( Y )\) with \(CHCl _3\) and chlorine water gives violet color to the \(CHCl _3\) layer. 0.15 g of \(( Y )\) gave 0.12 g of the silver halide precipitate in Carius method. Percentage of halogen in the compound \(( Y )\) is _______. (Nearest integer).
(Given : molar mass \(g ~ mol ^{-1} C : 12, H : 1, Cl : 35.5\), \(\operatorname{Br}: 80, I : 127\) )

The standard Gibbs energy for the given cell reaction in \(kJ\,mol^{-1}\) at \(298\,K\) is \(Zn(s)\, + \,C{u^{2 + }}(aq)\, \to \,Z{n^{2 + }}(aq) + Cu\,(s)\,,\,{E^o} = 2\,V\) at \(298\,K\) [Faraday’s constant \(F = 96500\,C\,mol^{-1}\) ]

Following figure shows dependence of molar conductance of two electrolytes on concentration. \(\Lambda \stackrel{0}{ m }\) is the limiting molar conductivity.The number of Incorrect statement(s) from the following is \(...........\) \((A)\) \(\Lambda \stackrel{0}{ m }\) for electrolyte \(A\) is obtained by extrapolation \((B)\) For electrolyte B, vx \(\Lambda m\) vs \(\sqrt{ c }\) graph is a straight line with intercept equal to \(\Lambda \stackrel{0}{ m }\) \((C)\) At infinite dilution, the value of degree of dissociation approach zero for electrolyte \(B\). \((D)\) \(\Lambda \stackrel{0}{ m }\) for any electrolyte \(A\) or \(B\) can be calculated using \(\lambda^{\circ}\) for individual ions.

Let \(f\) be a twice differentiable function defined on \(R\) such that \(f (0)=1, f ^{\prime}(0)=2\) and \(f ^{\prime}( x ) \neq 0\) for all \(x \in R\). If \(\left|\begin{array}{ll}f(x) & f^{\prime}(x) \\ f^{\prime}(x) & f^{\prime \prime}(x)\end{array}\right|=0,\) for all \(x \in R,\) then the value of \(f (1)\) lies in the interval:

Given below are two statements : Statement \(I\) : The electronegativity of group \(14\) elements from \(\mathrm{Si}\) to \(\mathrm{Pb}\) gradually decreases. Statement \(II\) : Group \(14\) contains non-metallic, metallic, as well as metalloid elements. In the light of the above statements, choose the most appropriate from the options given below :