List of top Chemistry Questions

Identify the product formed (A and E)

Match items of Row I with those of Row II:

[(i)] $\alpha$-D-(-)-Fructofuranose 
[(ii)] $\beta$-D-(-)-Fructofuranose 
[(iii)] $\alpha$-D-(+)-Glucopyranose 
[(iv)] $\beta$-D-(+)-Glucopyranose 
Correct Match:

Cobalt chloride when dissolved in water forms pink colored complex $X$ which has octahedral geometry. This solution on treating with cone $HCl$ forms deep blue complex, $\underline{Y}$ which has a $\underline{Z}$ geometry $X, Y$ and $Z$, respectively, are

A hydrocarbon ' $X$ ' with formula $C _6 H _8$ uses two moles of $H _2$ on catalytic hydrogenation of its one mole On ozonolysis, ' $X$ ' yields two moles of methane dicarbaldehyde The hydrocarbon ' $X$ ' is :

Cyclohexylamine when treated with nitrous acid yields (P) On treating (P) with $PCC$ results in (Q) When $(Q)$ is heated with dil. $NaOH$ we get $(R)$ The final product $(R)$ is :

Match List I with List II :
 

Match List I with List II 

Choose the correct answer from the options given below :

For electron gain enthalpies of the elements denoted as\(\Delta_{ eg } H\), the incorrect option is :

Given below are two statements : 

Statement I : Sulphanilic acid gives esterification test for carboxyl group 

Statement II : Sulphanilic acid gives red colour in Lassigne's test for extra element detection In the light of the above statements, choose the most appropriate answer from the options given below :

$H _2 O _2$ acts as a reducing agent in

Choose the correct set of reagents for the following conversion trans $\left( Ph - CH = CH - CH _3\right) \rightarrow \operatorname{cis}\left( Ph - CH = CH - CH _3\right)$