Chemistry Test ...

Which of the protein structure is often stabilized by S-S bonds?

Which among the following is the strongest acid?

Given below are two statements:

Statement I :

Primary aliphatic amines react with \(\mathrm{HNO}_2\) to give unstable diazonium salts.

Statement II :

Primary aromatic amines react with \(\mathrm{HNO}_2\) to form diazonium salts which are stable even above 300 K.

In the light of the above statements, choose the most appropriate answer from the options given below:

\(\mathrm{PbCl}_{4}\) exists while \(\mathrm{PbBr}_{4}\) and \(\mathrm{Pbl}_{4}\) do not because ___________.

Which of the following gives benzoic acid on oxidation?

How many grams of \(2.0 \mathrm{M} \mathrm{CH}_{3} \mathrm{OH}\) would have to be added to water to prepare \(150 \mathrm{ml}\) of its solution?

The Halogen which is most reactive in the halogenation of alkanes in sunlight is:

Which of the following reactions are disproportionation reactions?

(I) \({Cu}^{+} \rightarrow {Cu}^{2+}+{Cu}\)

(II) \(3 {MnO}_{4}^{-}+4 {H}^{+} \rightarrow 2 {MnO}_{4}+{MnO}_{2}+2 {H}_{2} {O}\)

(III) \(2 {KMnO}_{4} \rightarrow {K}_{2} {MnO}_{4}+{MnO}_{2}+{O}_{2}\)

(IV) \(2 {MnO}_{4}^{-}+3 {Mn}^{2+}+2 {H}_{2} {O} \rightarrow 5 {MnO}_{2}+4 {H}^{+}\)

The correct name of \(\left[ Pt \left( NH _{3}\right)_{4} Cl _{2}\right]\left[ P tCl _{4}\right]\) is:

In physisorption adsorbent does not show specificity for any particular gas because:

When lead storage battery is charged:

Which of the following example is not correctly matched?

What is the structural formula of Haloalkane?

In which of the following cases is Henry's law valid?

A \(0.05 \mathrm{M} ~\mathrm{NaOH}\) solution offered a resistance of \(31.6~ \mathrm{\Omega}\) in a conductivity cell is \(0.367 \mathrm{~cm}^{-1}\), find out the specific conductance of the sodium hydroxide solution.