List of top Chemistry Questions

If the bond length of CO bond in carbon monoxide is $1.128 \mathring{A}, $ then what is the value of CO bond length in $Fe(CO)_5? $
The smallest ketone and its next homologue are reacted with $NH_2OH$ to form oxime
(I) 1, 2-dihydroxy benzene (II) 1, 3-dihydroxy benzene (III) 1, 4-dihydroxy benzene (IV) Hydroxy benzene The increasing order of boiling points of above mentioned alcohols is
$\xrightarrow{Cl_2,hv\, \, }N(isomeric\, products) C_5 H_{11} Cl$ $\xrightarrow{\, \, Fractional\, distillation \, }M(isomeric\, products)$ What are N and M?
$CuSO_4$decolourises on addition of KCN, the product is
A solution when diluted with $H_2 0$ and boiled, it gives a white precipitate. On addition of excess $NH_4 CI / NH_4 0H$, the volume of precipitate decreases leaving behind a white gelatinous precipitate. Identify the precipitate which dissolves in $NH_4 OH / NH_4 CI.$
$MgSO_4$ on reaction with $NH_4 OH $ and $ Na_2 HPO_4$ forms a white crystalline precipitate. What is its formula?
$ MgSO_4 $ on reaction with $ NH_4OH $ and $ Na_2HPO_4 $ forms a white crystalline precipitate. What is its formula?
Which of the following have highest electron affinity?
Which of the following will show geometrical isomerism?
Which one of the following contain isopropyl group?
Which of the following electronic configuration represents noble gas?
Which of the following amino acid is optically inactive?
When calcium acetate is distilled, it will produce which of the following compound?
What is the formula of bleaching powder?
Hardness of water is due to presence of salts of:
In Williamsons synthesis, ethoxyethane is prepared by:
Which of the following is not a property of liquid state?
What amount of $Cl_{2}$ gas liberated at anode, if $1$ ampere current is passed for $30$ minute from $NaCl$ solution?
The geometry of $ Ni(CO)_{4}$ and $ Ni(PPh_{3})_{2}Cl_{2}$ are:
Certain crystals produce electric signals on application of pressure. This phenomenon is called:
The mass of glucose that should be dissolved in $50\, g$ of water in order to produce the same lowering of vapour pressure as is produced by dissolving $1\, g$ of urea in the same quantity of water is
The decomposition of a certain mass of $CaCO_3$ gave $11.2\, dm^3$ of $CO_2$ gas at $STP$. The mass of $KOH$ required to completely neutralise the gas is
The brown ring test for nitrates depends on
Glucose contains in addition to aldehyde group