List of top Chemistry Questions

Which of the following compounds undergoes nucleophilic substitution reaction most easily?
The order of reactivity of phenyl magnesium bromide (\( \text{PhMgBr} \)) with the following compounds is:
Consider the following processes \[ \Delta H (\text{kJ/mol}) = \frac{1}{2} B + 150 \] For \( B + D \rightarrow E + 2C \), \( \Delta H \) will be
A solid compound XY has NaCl structure. If the radius of the cation is 100 pm, the radius of the anion \( Y^{1-} \) will be
Which of the following carbonyls will have the strongest C—O bond?
Which has the maximum number of molecules among the following?
Which of the following is not a fat-soluble vitamin?
Which of the following is not a fat-soluble vitamin?
Which of the statements about 'Denaturation' given below are correct? (a) Denaturation of proteins causes loss of secondary and tertiary structures of the protein.
(b) Denaturation leads to the conversion of double strand of DNA into single strand.
(c) Denaturation affects the primary structure which gets destroyed.
Fructose reduces Tollen's reagent due to
In the following reaction,
Which of the above compounds on being warmed with iodine solution and NaOH will give iodoform?
Some statements about heavy water are given below. Which of the following statements are true?
When glycerol is treated with excess of HI, it produces
Which of the following compounds will be most readily dehydrated?
Some of the properties of the two species, \( \text{NO}_3^- \) and \( \text{H}_2O \), are described below. Which one of them is correct?
Which of the following conformers for ethylene glycol is most stable?
The IUPAC name of the compound \( \text{CH}_3\text{CH}= \text{CHC}\text{H}_2\) is
Two charges, each \( +q \), are placed at the corners of an isosceles triangle ABC of sides BC and AC, 2a. D and E are the mid-points of BC and CA. The work done in taking a charge \( Q \) from D to E is
The pressure exerted by 6.0g of methane gas in a 0.03m³ vessel at 129°C is (Atomic masses: C = 12.01, H = 1.01 and R = 8.314JK⁻mol⁻)
Match List-I with List-II for the equations and select the correct option.
Among the following, which one has the highest cation to anion size ratio?
Which of the following species is not electrophilic in nature?
Which of the following expressions correctly represents the equivalent conductance at infinite dilution of \( \text{Al}_2(\text{SO}_4)_3 \)? Given that \( \Lambda^\circ_{\text{Al}^{3+}} \) and \( \Lambda^\circ_{\text{SO}_4^{2-}} \) are the equivalent conductances at infinite dilution of the respective ions?
Match List-I (Substances) with List-II (Processes employed in the manufacture of the substances) and select the correct option.