List of practice Questions

Which of the following structures is the most preferred and hence of lowest energy for \( \text{SO}_3 \)?
What is the value of electron gain enthalpy of \( \text{Na} \), if \( \text{IE}_\text{Na} = 5.1 \, \text{eV} \)?
The unit of rate constant for a zero order reaction is
Which of the following compounds undergoes nucleophilic substitution reaction most easily?
Which of the following carbonyls will have the strongest C—O bond?
The order of reactivity of phenyl magnesium bromide (\( \text{PhMgBr} \)) with the following compounds is:
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
Consider the following processes \[ \Delta H (\text{kJ/mol}) = \frac{1}{2} B + 150 \] For \( B + D \rightarrow E + 2C \), \( \Delta H \) will be
Match the compounds given in List-I with List-II and select the suitable option using the codes given below:
Which of the following is not a fat-soluble vitamin?
Which of the above compounds on being warmed with iodine solution and NaOH will give iodoform?
Fructose reduces Tollen's reagent due to
In the following reaction,
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.
Which has the maximum number of molecules among the following?
When glycerol is treated with excess of HI, it produces
Some statements about heavy water are given below. Which of the following statements are true?
Which of the following compounds will be most readily dehydrated?
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
Some of the properties of the two species, \( \text{NO}_3^- \) and \( \text{H}_2O \), are described below. Which one of them is correct?
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
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?
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⁻)