List of top Chemistry Questions

The combustion of glucose takes place according to the equation:\[\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O}, \Delta H = -72 \text{ k-cal}\]The energy required for the combustion of 1.6 g of glucose is

Which of the following is not expected to show paramagnetism?

When a lead storage battery is discharged

Consider the following solutions, A = 0.1 glucose, B = 0.05 M NaCl, \(C = 0.05 M BaCl_2, D = 0.1 M AlCl_3\) Which of the following pairs is isotonic?

Which of the following is the major product in the reaction of HOBr with propene?

Which of the following is the correct IUPAC name?

Which of the following oxide is most acidic?

When \(CO_2\) is bubbled through a solution of barium peroxide in water then

Which of the following compound is not coloured?

A cubic unit cell of a metal with molar mass of \(63.55 g mol^{-1}\) has an edge length of 362 pm. Its density is \(8.92 g cm^{- 3}\). The type of unit cell is

Among the following set of quantum numbers, the impossible set is

Isopropyl chloride + A \(\xrightarrow{\triangle}\)2-ethoxy propane + NaCl. The compound (A) is

1-butyne on oxidation with hot alkaline \(KMnO_4 \)would yield. Which of the following as end product?

\[\text{Phenol} \xrightarrow{\text{(i) NaOH, (ii) CO}_2, \, \text{140°C}} \text{A} \xrightarrow{\text{H}^+/\text{H}_2\text{O}}\text{B}\xrightarrow{\text{Ac}_2\text{O}} \text{C}\]
In the above reaction, end product 'C' is

The product (P) is

Which of the following is least soluble in water?

The compressibility of a gas is less than unity at STP; therefore

Plaster of Paris is represented as

What are the hydrolysis products of sucrose?

The distinction between primary, secondary and tertiary amines can be done experimentally by using

What will be the boiling point of $ 30 \,g $ benzene containing $ 0.75\, g $ of benzoic acid which undergoes $ 75\% $ dimerization? Boiling point of pure benzene $ = 80.1^{\circ}C $ and $ K_b = 2.53 \,K mol^{-1}\, kg $

Under what condition, will $ x/m $ value be equal to pressure of the gas on the surface of the absorbent?

Let the energy of an $ n^{th} $ orbit of $ H $ atom be $ -21.76 \times 10^{19}/n^2\, J $ . What will be the longest wavelength of energy required to remove an electron from the third orbit?

Hoffmann's bromamide reaction is used to

What should be possible $ d $-orbital energy levels of $ Ni $ in $ [Ni(CN)_4]^{2-} $ ?