The order of a reaction \(\mathrm{W}+\mathrm{X} \rightarrow \mathrm{Y}+\mathrm{Z}\) with respect to W is 3 and with respect to X is 1. If the concentrations of both W and X are tripled, the rate of reaction will increase by ________ times

Identify the two statements which are incorrect regarding Corrosion of Iron.
A. During electrical protection of underground Iron pipes from corrosion the connected Mg plate undergoes reduction.
B. At the Cathodic area on Iron the reaction occurring is \(4 \mathrm{H}^{+}+\mathrm{O}_2+4 \mathrm{e} \rightarrow 2 \mathrm{H}_2 \mathrm{O}\)
C. Rust formed \(\mathrm{Fe}_2 \mathrm{O}_3 . \mathrm{xH}_2 \mathrm{O}\) is an acidic oxide.
D. The \(\mathrm{H}^{+}\)ions are obtained from water containing dissolved gases like \(\mathrm{SO}_2, \mathrm{NO}_2\) or \(\mathrm{CO}_2\).

Which of the following shows negative deviation from Raoult's law?

Pick out the incorrect statement(s) from the following.
1. Glucose exists in two different crystalline forms, \(\alpha\)-D-glucose and \(\beta\)-D-glucose.
2. \(\alpha\)-D-glucose and \(\beta\)-D-glucose are anomers.
3. \(\alpha\)-D-glucose and \(\beta\)-D-glucose are enantiomers.
4. Cellulose is a straight chain polysaccharide made of only \(\beta\)-D-glucose units.
5. Starch is a mixture of amylase and amylopectin, both contain unbranched chain of \(\alpha\)-D-glucose units.

Vapour pressure of water at \(293 \mathrm{~K}\) is
\(17.535 \mathrm{~mm} \mathrm{Hg}\). The vapour pressure of water at \(293 \mathrm{~K}\) containing \(25 \mathrm{~g}\) of glucose dissolved in \(450 \mathrm{~g}\) of water is

Two statements, one Assertion and the other Reason are given. Choose the correct option.
Assertion: Heterocyclic compounds like Pyridine and Thiophene are non-aromatic compounds.
Reason: According to Huckel rule for a given compound to exhibit aromaticity, the molecule must be planar, cyclic system having delocalised \((4 n+2) \pi\) electrons.

In the reaction,
\(F e_{(a q)}^{2+}+A g_{(a q)}^{+} \rightarrow F e_{(a q)}^{3+}+A g_{(s)}\)

The standard emf \(\left(\mathrm{E}^{\circ}\right)\) of the cell is:
\(\left[\right.\) Given: \(\left.E_{\mathrm{Ag}^{+} / \mathrm{Ag}}^o=a V ; \quad E_{\mathrm{Fe}^{2+} / \mathrm{Fe}}^o=b V ; E_{\mathrm{Fe}^{3+} / \mathrm{Fe}}^o=c V\right]\)

The following results were obtained during study of the reaction \(2 \mathrm{NO}(\mathrm{g})+\mathrm{Cl}_2(\mathrm{~g}) \rightarrow 2 \mathrm{NOCl}(\mathrm{g})\). Determine the value of \([\mathrm{X}]\) in \(\mathrm{mol} / \mathrm{L}\)
\(\begin{array}{|c|c|c|c|} \hline \text{Experiment} & \text{[NO] mol/L} & \left[\mathrm{Cl}_2\right] \text{ mol/L} & \text{Initial rate of formation. [NOCl] mol/L/min} \\ \hline \text{I} & 0.2 & 0.2 & 6.0 \times 10^{-3} \\ \hline \text{II} & 0.2 & 0.4 & 2.4 \times 10^{-2} \\ \hline \text{III} & 0.4 & 0.2 & 1.2 \times 10^{-2} \\ \hline \text{IV} & X & 0.6 & 1.35 \times 10^{-1} \\ \hline \end{array}\)

During the phenomenon of resonance

The mole fraction of dioxygen in a neon-dioxygen mixture is \(0.18\). If the total pressure of the mixture is 25 bar, the partial pressure of neon in the mixture would be

Consider the following compounds
ethanamine (i); diethylamine (ii); aniline (iii) and \(N\) - methylbenzenamine (iv) The correct decreasing order of pKb values of the compounds is:

\(\text { If } P=\left[\begin{array}{lll}
1 & \alpha & 3 \\
1 & 3 & 3 \\
2 & 4 & 4
\end{array}\right] \text { is the adjoint of a } 3 \times 3 \text { matrix } A \text { and }|A|=4 \text { then } \alpha \text { is equal to }\)

What is/are the product/s formed when Benzaldehyde and Ethanal react in presence of dil. \(\mathrm{NaOH}\) followed by heating the intermediate product formed?