List of top Chemistry Questions

Consider the following reaction: $6NaOH +3cl_{2} \to5Nacl +A+3H_{2}O$ What is the oxidation number of chlorine in A?
Pressure (P) vs. density (D) curve for an ideal gas at two different temperatures $T_{1} andT_{2}$ is shown below. Identify the correct statement about $T_{1}and T_{2}$:
Which one of the following does not produce $O_{2}$ as the only gaseous product on heating?
Which property that polyacetylene exhibits is unusual for an organic polymer?
Which structure for $XeO_{3} \, and XeF_{4}$ are consistent with the VSEPR model?
Among the following groupings, which one represents the set of iso-electronic species?
The correct IUPAC name of $H_{3}C-C\left(CH_{3}\right)_{2} -CH =CH_{2}$ is
Assign the Bravais lattice type of the following unit cell structure.
IUPAC name of valeric acid is
An ionic compound has a unit cell consisting of A ions at the corners of a cube and B ions on the centres of the faces of the cube. The empirical formula for this compound would be
Anisole is treated with HI under two different conditions. $\ce{ C + D [conc.HI] A + B }$ The nature of A to D will be
Esterification of acid chloride with ethanol is usually carried out in the presence of pyridine. The function of pyridine is
Which one of the following reactions of xenon compounds is not feasible?
Which of the two acids form anhydrides? (I) Oxalic acid (II) Succinic acid (III) Benzoic acid (IV) Phthalic acid
Jahn-Teller effect is not observed in high spin complexes of
Which is the correct statement for the given acids ?
The protein present in the hair is
The IUPAC name of $\left[ Co \left( NH _{3}\right)_{5} ONO \right]^{2+}$ ion is
Which of the following compound is most acidic ?
Equilibrium constants $K_1$, and $K_2$ for the following equilibria I. $NO _{( g )}+\frac{1}{2} O _{2( g )} \rightleftharpoons NO _{2( g )}$ II. $2 NO _{2( g )} \rightleftharpoons 2 NO _{( g )}+ O _{2( g )}$ are related as :
The half-life period of a order reaction is 60 minutes What percentage will be left over after 240 minutes ?
The spin only magnetic moment $ (\mu_s) $ of a complex $ [Mn(Br_4)]^{4-} $ is $ 5.9\, BM $ . The geometry of the complex will be
As per $IUPAC$ norms, the name of the complex $[Co(en)_2(ONO)Cl]Cl$ is
An organic compound X is oxidised by using acidified $K_2Cr_2O_7$ solution. The product obtained reacts with phenyl hydrazine but does not answer silver mirror test. The compound X is,
The shape of $XeF_6$ is,