List of top Chemistry Questions

The correct statement/s about Galvanic cell is/are:
(a) Current flows from cathode to anode
(b) Anode is positive terminal
(c) If \(E_{\text{cell}} < 0\), then it is spontaneous reaction
(d) Cathode is positive terminal

Match List-I with List-II for the following reaction pattern: \[ \text{Glucose} \quad \text{Reagent} \quad \rightarrow \quad \text{Product} \quad \rightarrow \quad \text{Structural prediction} \]

In the preparation of sodium fusion extract, the purpose of fusing organic compound with a piece of sodium metal is to

Chlorobenzene reacts with bromine gas in the presence of Anhydrous AlBr_3 to yield p-Bromochlorobenzene. This reaction is classified as

A ligand which has two different donor atoms and either of the two ligates with the central metal atom/ion in the complex is called

The number of orbitals associated with 'N' shell of an atom is

Variation of solubility with temperature \(T\) for a gas in liquid is shown by the following graphs. The correct representation is

Given below are the atomic masses of the elements:

Which of the following doesn't form triad?

Which of the following statements is/are true about equilibrium?

If \(N_2\) gas is bubbled through water at 293 K, how many moles of \(N_2\) gas would dissolve in 1 litre of water? Assume that \(N_2\) exerts a partial pressure of 0.987 bar. [Given \(K_H\) for \(N_2\) at 293 K is 76.48 K bar]

According to Le Chatelier's principle, in the reaction \( \text{CO}(g) + 3\text{H}_2(g) \rightleftharpoons \text{CH}_4(g) + \text{H}_2\text{O}(g) \), the formation of methane is favoured by

The equilibrium constant at 298 K for the reaction \( A + B \rightleftharpoons C + D \) is 100. If the initial concentrations of all the four species were 1 M each, then equilibrium concentration of D (in mol/L) will be

In which of the following pairs, both the elements do not have \( (n-1)d^{10}ns^2 \) configuration?

Select the INCORRECT statement/s from the following:

Which examples of carbohydrates exhibit \(\alpha\)-link (\(\alpha\)-glycosidic link) in their structure?

Which of the following statements are true about \( [NiCl_4]^{2-} \)?
(a) The complex has tetrahedral geometry.
(b) Co-ordination number of Ni is 2 and oxidation state is +4.
(c) The complex is sp\(^3\) hybridised.
(d) It is a high spin complex.
(e) The complex is paramagnetic.

Which of the following has the most acidic Hydrogen?

Phenol can be distinguished from propanol by using the reagent

Which formula and its name combination is incorrect?

Which of the following reaction/s does not yield an amine?

Match the compounds given in List-I with the items given in List-II

Identify the incorrect statements among the following:

The IUPAC name of the given organic compound is HC \( \equiv \) C - CH = CH - CH\(_2\).

Among the following, identify the compound that is not an isomer of hexane:

The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion