List of top Chemistry Questions

The hybridizations of carbon in graphite, diamond and C60 are respectively
The empirical formula of Calgon is
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
What is the oxidation state of S in the sulphur containing product of the following reaction?
$\mathrm{SO}_3^{2-} (aq) + \mathrm{Br}_2(l) + \mathrm{H}_2O \to$
From the following plots, find the correct option regarding $T_1, T_2, P_1, P_2$
correct option regarding T1,T2,P1,P2
In second period, X has second lowest first ionization enthalpy and Y has second highest. Identify X and Y.
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
How many grams of Mg is required to completely reduce 100 mL, 0.1 M $\mathrm{NO}_3^-$ solution using the following reaction? $\mathrm{NO}_3^- + \mathrm{Mg} \to \mathrm{Mg}^{2+} + \mathrm{NH}_3$
Which of the following elements are arranged in the correct order of their electron gain enthalpies?
The maximum number of electrons present in an orbital with \(n = 4,\ l = 3\) is
Which of the following can undergo disproportionation reaction on heating with Conc. Alkali?
Identify the major product formed from the following:
the major product formed from the following
Identify the major product from the following reaction sequence:
the major product from the following reaction sequence
Identify the correct trend of acidic strength for the given alcohols:
correct trend of acidic strength for the given alcohols:
The IUPAC name of the following complex is \([Co(NH_2CH_2CH_2NH_2)_2Br_2]Br\)
The correct statements with respect to dialysis of colloidal solution are:
I. Colloidal particles can pass through the membrane
II. Animal bladder can be used as membrane
III. Cellophane is not used as membrane
IV. Ions and small molecules can diffuse through membrane into water
The outer electronic configuration of \(\text{Pd}^{2+}\) is
The energy conversion involved in a galvanic cell is
Assertion (A): Finely divided charcoal can act as an adsorbent
Reason (R): Finely divided material has small surface area
1.8 g of glucose (molar mass 180 g/mol) is dissolved in 0.1 kg of water. The freezing point of the solution (in °C) is
(K$_f$ for water = 1.86 K kg mol$^{-1}$)
If the rate of disappearance of N$_2$O$_5$ in the following reaction is 1.2 $\times$ 10$^{-5}$ mol L$^{-1}$ s$^{-1}$, the rate of production of NO$_2$ (in mol L$^{-1}$ s$^{-1}$) is
2N$_2$O$_5$ (g) $\rightarrow$ 4NO$_2$ (g) + O$_2$ (g)
The molality and molarity of a solution of glucose in water which is labeled as 10% (w/w) are respectively (density of solution = 1.2 g/mL)
The major product ‘B’ of the following reaction sequence is
major product ‘B’ of the following reaction sequence is