Question
How will you convert benzene into:
acetophenone.
acetophenone.
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Calculate the electron gain enthalpy of fluorine from the data given below:
→$\Delta_\text{f}\text{H}^\circ$ of KF = -560.8kJ mol-1, Sublimation energy of K = 87.8kJ mol-1, Dissociation energy of F, is 158.9kJ mol-1, Lattice energy of KF is -807.5kJ mol-1 and Ionisation energy of K is 414.2kJ mol-1.
Mention the conditions of temperature and pressure when gas will dissolve in liquid to maximum extent with decrease in volume and absorption of heat.
Which is more polar: CO2 or N2O? Give reason.
How would you know whether a redox reaction is taking place in an acidic, alkaline or neutral medium?
Why is anode called oxidation electrode, whereas cathode is called reduction electrode?
1L of a gas at STP weighs 1.97g. What is molecular mass?
Explain the shape of I-3 ion.
Write the IUPAC name of following condensed formulas :
(i) $\left( CH _2 COBr \right)_2 CH \left( CH _3\right)$
(ii) $\left( CH _3\right)_2 CHCOCH _2- CH \left( C _2 H _5\right)_2$
(iii) $C H _3- CH ( CHO )- CH \left( CH _3\right) CH _2 C H O$
(iv) $CH _2( OH ) CH ( Cl ) CH _2 COOH$
→(i) $\left( CH _2 COBr \right)_2 CH \left( CH _3\right)$
(ii) $\left( CH _3\right)_2 CHCOCH _2- CH \left( C _2 H _5\right)_2$
(iii) $C H _3- CH ( CHO )- CH \left( CH _3\right) CH _2 C H O$
(iv) $CH _2( OH ) CH ( Cl ) CH _2 COOH$
Consider the following reaction: H2(g) + F2(g) → 2HF(g)
→$\Delta\text{H}^\circ=-542\text{kJ},\ \Delta\text{S}^\circ=14\text{JK}^{-1}$
Calculate the $\Delta\text{G}^\circ$ value for the reaction and state if the reaction is spontaneous at 298K.Refer to the periodic table given in your book and now answer the following questions:
Select three metals that can show disproportionation reaction.
Select three metals that can show disproportionation reaction.