List of top Chemistry Questions

The non aromatic compound among the following is :

Heating of $NH _{4} NO _{3}$ gives

The IUPAC name of the compound is

A reactant (A) forms two products : $ {A ->[k_1] B,} $ Activation Energy $Ea_1$ $ {A ->[k_2] C,}$ Activation Energy $Ea_2$ If $Ea_2 = 2 Ea_1$, then $k_1$ and $k_2$ are related as :

Iron is extracted by

An intensive property is

A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows

Which of the following is an example of Maximum boiling azeotrope?

A 5% solution of cane sugar (molar mass 342) is isotonic with 1% of a solution of an unknown solute. The molar mass of unknown solute in g/mol is:

To prepare 2 $dm^3$ of decinormal solution of oxalic acid, the mass of oxalic acid required is

The rate constant of a reaction is $\text{mol} \,L^{-}\, S^{-1}$. The reaction is

Which one of the following is an example for pseudo first order reaction?

For a first order gas phase reaction- $A_{\left(g\right)} \to 2B_{\left(g\right)} + C_{\left(g\right)}$ P be initial pressure of A and P the total pressure at time 't'. Integrated rate equation is

Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is

Equivalent and molecular masses are same in

12 g of Mg with excess of HCI at NTP gives

The molality of a urea solution in which 0.0100 g of urea, $[(NH_2)_2CO]$ is added to 0.3000 $dm^3$ of water at STP is:

What is the equivalent weight of $SnCl _{2}$ in the following reaction, $SnCl _{2}+C l_{2} \rightarrow S n C l_{4} ?$

What is the time (in sec) required for depositing all the silver present in $125\, mL$ of $1\, M \, AgNO _{3}$ solution by passing a current of $241.25 \, A$? ($IF = 96500$ coulombs)

$Mg ^{2+}$ is isoelectronic with

Which one of the following species is diamagnetic in nature?

Most stable carbocation is

In Kjeldahl's method, the nitrogen present is estimated as

Most stable carbocation is

: Methyl cyanide has higher boiling point than methyl isocyanide. : Dipole moment of methyl cyanide is higher than that of methyl isocyanide.