List of top Chemistry Questions

Biuret test is not positive for:
From the given data of \(E^{\circ}\) values, answer the following questions :
(I) Why \(E^{\circ}_{M^{2+}/M}\) show irregular trend in the above values ?
(II) Why is \(E^{\circ}_{Cu^{2+}/Cu}\) value exceptionally positive ?
(III) Why \(E^{\circ}_{Mn^{2+}/Mn}\) value is highly negative ?
When 3.00 g of a substance of molar mass 250 g mol$^{-1}$ is dissolved in 100 g of CCl$_4$, the boiling point of the solvent (CCl$_4$) will be elevated by _ _ _ K. (rounded off to two decimal places)
In DNA, the number of hydrogen bonds that hold each adenine-thymine base pair and each guanine-cytosine base pair, respectively, are _ _ _.
The reaction of an aldehyde with Tollens' reagent gives
The conversion of alkyl halide to alcohol by aqueous $\text{KOH}$ is an example of}
The main constituent of dettol is
Which of the following organic compounds will give Lucas test immediately?
Which of the following is the strongest base in aqueous solution?
The monomers of Nylon-6,6 are
Aspirin is chemically known as
The coordination number of cobalt in $[\text{Co(NH}_3)_6]^{3+}$ is}
Which of the following vitamins is water-soluble?
Which of the following is a natural polymer?
Which of the following transition elements exhibits the highest oxidation state?
The formula of phosphine gas is
According to Faraday's first law of electrolysis, the mass of substance deposited ($w$) is proportional to
The process of adsorption is always
According to Werner's theory of coordination compounds, the secondary valency represents
The principal ore of aluminium is
The osmotic pressure of a solution is given by the relation
Which of the following exhibits geometrical isomerism?
In a face-centered cubic (fcc) lattice, the number of atoms per unit cell is
Which of the following gases causes greenhouse effect?
The IUPAC name of $\text{CH}_3\text{-CH}_2\text{-CH(CH}_3\text{)-CH}_3$ is}