List of top Chemistry Questions

The macromolecular colloids of the following are:
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 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
Assertion (A): Animal skins are colloidal in nature.
Reason (R): Animal skin has positively charged particles.
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
Which of the following solids is not a molecular solid?
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
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
Match List I with List II:
The hybridizations of carbon in graphite, diamond and C60 are respectively
The pH of 0.01 N lime water is
Among P$_4$, S$_8$ and N$_2$, the elements which undergo disproportionation when heated with NaOH solution
Identify the correct statements about the anomalous behavior of Boron.
The pair of elements that form both oxides and nitrides, when burnt in air are
Which of the following expression is correct?
The empirical formula of Calgon is
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
The formal charges of atoms (1), (2) and (3) in the ion $\left[ \mathrm{O} = \mathrm{N} = \mathrm{O} \right]^+$ are
Observe the following properties: Volume, enthalpy, density, temperature, heat capacity, pressure, internal energy. The number of extensive properties in the above list is
How many grams of Mg is required to completely reduce 100 mL, 0.1 M $\mathrm{NO}_3^-$ solution using the following reaction? $\mathrm{NO}_3^- + \mathrm{Mg} \to \mathrm{Mg}^{2+} + \mathrm{NH}_3$
In second period, X has second lowest first ionization enthalpy and Y has second highest. Identify X and Y.
What is the oxidation state of S in the sulphur containing product of the following reaction?
$\mathrm{SO}_3^{2-} (aq) + \mathrm{Br}_2(l) + \mathrm{H}_2O \to$