List of top Chemistry Questions

Which of the following vitamins cannot be stored in the body?
Finkelstein reaction is used for the synthesis of
An aryl carboxylic acid on treatment with sodium hydrogen carbonate liberates a gaseous molecule. Identify the gas molecule liberated.
Identify the major product (Y) from the following reaction.
major product (Y) from the following reaction
Assertion (A): Transition metals and their complexes show catalytic activity.
Reason (R): The activation energy of a reaction is lowered by the catalyst.
Assertion (A): Animal skins are colloidal in nature.
Reason (R): Animal skin has positively charged particles.
38.6 A of current is passed for 100 s through aqueous CuSO4 using platinum electrodes. Find mass of Cu deposited and volume of gas evolved (Cu = 63.54 g mol-1)
The macromolecular colloids of the following are:
The time required for completion of 93.75% of a first order reaction is $x$ minutes. The half-life of it (in minutes) is
In the reaction of phosphorous with conc. HNO3, the oxidized and reduced products respectively are
Which of the following solids is not a molecular solid?
Match List I with List II:
x% (w/v) solution of urea is isotonic with 4% (w/v) solution of non-volatile solute of molar mass 120 g mol-1. The value of x is
The major product of the following reaction is (Grignard Reagent with D2}O)
Grignard Reagent with D2O
Identify the ortho and para directing groups towards aromatic electrophilic substitution reactions from the following list: -OH, -CN, COOH, -OCH3, -NHCOCH3, -CHO
The hybridizations of carbon in graphite, diamond and C60 are respectively
A solution containing 6.0 g of urea is isotonic with a solution containing 10 g of a non-electrolytic solute X. The molar mass of X (in g mol\textsuperscript{-1}) is
The pH of 0.01 N lime water is
Identify the correct statements about the anomalous behavior of Boron.
Among P$_4$, S$_8$ and N$_2$, the elements which undergo disproportionation when heated with NaOH solution
Which of the following expression is correct?
The empirical formula of Calgon is
The pair of elements that form both oxides and nitrides, when burnt in air are
From the following plots, find the correct option regarding $T_1, T_2, P_1, P_2$
correct option regarding T1,T2,P1,P2
The set of molecules in which the central atom is not obeying the octet rule is