The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions is :

The principle of column chromatography is :

The increasing order of reactivity of the following compounds towards aromatic electrophilic substitution reaction is :

The correct IUPAC name of the following compound is :

Which of the following compounds will show the maximum 'enol' content?

In the following compounds, the decreasing order of basic strength will be :

The IUPAC name of the following compound is :

Which amongst the following is the strongest acid ?

The correct decreasing order for acid strength is :

Which of the following compounds is not aromatic ?

The increasing basicity order of the following compounds is :

What is the IUPAC name of the following compound ?

The correct match between items I and II is : .tg {border-collapse:collapse;border-spacing:0;width:100%} .tg td{font-family:Arial, sans-serif;font-size:14px;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg th{font-family:Arial, sans-serif;font-size:14px;font-weight:normal;padding:10px 5px;border-style:solid;border-width:1px;overflow:hidden;word-break:normal;border-color:black;} .tg .tg-wrg0{font-size:22px;text-align:center;vertical-align:top} .tg .tg-wv9z{font-size:22px;text-align:center} .tg .tg-de48{font-weight:bold;font-size:22px;text-align:center} Item-I (Mixture) Item-II (Seperation method) (A) H2O : Sugar (P) Sublimation (B) H2O : Aniline (Q) Recrystallization (C) H2O : Toluene (R) Steam distillation (S) Differential extraction

In the following compound, the favourable site/s for protonation is/are :

Among the following four aromatic compounds, which one will have the lowest melting point ?

If dichloromethane (DCM) and water (H2O) are used for differential extraction, which one of the following statements is correct ?

Given (i) C (graphite) + O2(g) $$\to$$ CO2(g); $$\Delta$$rH$${}^{\Theta }$$ = x kJ mol$$-$$1 (ii) C(graphite) + {1 \over 2}O2(g) $$\to$$ CO(g); $$\Delta$$rH$${}^{\Theta }$$ = y kJ mol$$-$$1 (iii) CO(g) + {1 \over 2} O2(g) $$\to$$ CO2(g); $$\Delta$$rH$${}^{\Theta }$$ = z kJ mol$$-$$1 Based on the above thermochemical equations, find out which one of the following algebraic relationships is correct?

For silver, Cp(J K–1 mol–1) = 23 +0.01 T. If the temperature (T) of 3 moles of silver is raised from 300 K to 1000 K at 1 atm pressure, the value of $$\Delta H$$ will be close to :

Which one of the following equations does not correctly represent the first law of thermodynamics for the given processes involving an ideal gas? (Assume non-expansion work is zero)

5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If CV = 28 JK–1mol–1, calculate $$\Delta$$U and $$\Delta$$pV for this process. (R = 8.0 JK–1 mol–1]