List of top Chemistry Questions

The relative humidity on a day when partial pressure of water vapour is $0.012 \times 10^{5} Pa$ at $12^{\circ} C$ is (Take vapour pressure of water at this temperature as $0.016 \times 10^{5}Pa)$
Alizarin belongs to the class of
Given: $ { 2C(s) + 2O_2 (g) -> 2CO_2 (g) ; \Delta H = -787 kJ} $
The weakest acid amongst the following is
The correct sequence of base strengths in aqueous solution is
${C_6H_5CHO ->[NH_3][H_2,Ni]?}$
${HOOC - (CH_2)_4 - COOH + 2C_2H_5OH ->[H_2SO_4][Toluene] C_2H_5OOC -CH_2 - COOC H_5}$ The purpose of using toluene here is
When aqueous solution of benzene diazoniumchloride is boiled, the product formed is
The purple colour of ${KMnO4}$ is due to the transition
$AgCl$ dissolves in a solution of ${NH_3}$ but not in water because
Condition for spontaneity in an isothermal process is
For strong electrolytes the plot of molar conductance vs $\sqrt{C}$ is
A coordinate bond is a dative covalent bond. Which of the below is true?
Carbylamine reaction is given by aliph
A nuclear reaction of $^{235}_{92}U$ with a neutron produces $^{90}_{36}Kr$ and two neutrons. Other element produced in this reaction is
In ${TeCl4}$ the central atom tellurium involves
Which of the following is correct for the process of formation of a chemical bond?
What is the stoichiometric coefficient of $Ca$ in the reaction? $Ca + Al^{3+} \to Ca^{2+} + Al$
A solution of sucrose (Molar mass = $342\,g/mol$) is prepared by dissolving $68.4\, g$ of it per litre of solution, what is its osmotic pressure ($R = 0.082 \,L$ atom $K^{-1}$ $mol^{-1}$) at $273\, K$?
Which of the most volatile compounds?
The compound which gives the most stable carbonium ion on dehydration is
The ratio of $Fe _{2} O _{3}$ and $Al$, in thermite is:
$H_2O_2$ used in rocket has the concentration
Tautomerism is exhibited by
Which of the following ketones will not respond to iodoform test?