The correct sequence of acidic strength of the following aliphatic acids in their decreasing order is: $${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{COOH},{\mathrm{CH}}_3\mathrm{COOH},{\mathrm{CH}}_3{\mathrm{CH}}_2{\mathrm{CH}}_2\mathrm{COOH},\mathrm{HCOOH}$$

IUPAC name of following hydrocarbon(X) is :

Which of the following are aromatic?

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Cis form of alkene is found to be more polar than the trans form. Reason (R) : Dipole moment of trans isomer of 2-butene is zero. In the light of the above statements, choose the correct answer from the options given below :

The correct nomenclature for the following compound is :

Match List - I with List - II. .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} LIST I (Pair of Compounds) LIST II (Isomerism) A. n-propanol and Isopropanol I. Metamerism B. Methoxypropane and ethoxyethane II. Chain Isomerism C. Propanone and propanal III. Position Isomerism D. Neopentane and Isopentane IV. Functional Isomerism Choose the correct answer from the options given below :

The correct arrangement for decreasing order of electrophilic substitution for above compounds is :

The incorrect statement regarding the geometrical isomers of 2-butene is :

Functional group present in sulphonic acids is :

Which of the following is metamer of the given compound (X) ?

Choose the correct option for free expansion of an ideal gas under adiabatic condition from the following :

Which of the following is not correct?

Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R) Assertion (A) : Enthalpy of neutralisation of strong monobasic acid with strong monoacidic base is always $$-57\mathrm{kJ}{\mathrm{mol}}^{-1}$$ Reason (R) : Enthalpy of neutralisation is the amount of heat liberated when one mole of $${\mathrm{H}}^{+}$$ ions furnished by acid combine with one mole of $${}^{-}\mathrm{OH}$$ ions furnished by base to form one mole of water. In the light of the above statements, choose the correct answer from the options given below.

Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with $${\mathrm{FeSO}}_4$$ in presence of concentrated $${\mathrm{H}}_2{\mathrm{SO}}_4$$ indicates the presence of element/s

In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :

Match List I with List II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} LIST I (Name of the test) LIST II (Reaction sequence involved) [M is metal] A. Borax bead test I. $${\mathrm{MCO}}_3\to \mathrm{MO}\underset{+\Delta }{\overset{\mathrm{Co}{\left({\mathrm{NO}}_3\right)}_2}{\to }}\mathrm{CoO}\cdot \mathrm{MO}$$ B. Charcoal cavity test II. $${\mathrm{MCO}}_3\to {\mathrm{MCl}}_2\to {\mathrm{M}}^{2+}$$ C. Cobalt nitrate test III. $${\mathrm{MSO}}_4\underset{\Delta }{\overset{{\mathrm{Na}}_2{\mathrm{B}}_4{\mathrm{O}}_7}{\to }}\mathrm{M}{\left({\mathrm{BO}}_2\right)}_2\to {\mathrm{MBO}}_2\to \mathrm{M}$$ D. Flame test IV. $${\mathrm{MSO}}_4\underset{\Delta }{\overset{{\mathrm{Na}}_2{\mathrm{CO}}_3}{\to }}{\mathrm{MCO}}_3\to \mathrm{MO}\to \mathrm{M}$$ Choose the correct answer from the options given below:

During the detection of acidic radical present in a salt, a student gets a pale yellow precipitate soluble with difficulty in $${\mathrm{NH}}_4\mathrm{OH}$$ solution when sodium carbonate extract was first acidified with dil. $${\mathrm{HNO}}_3$$ and then $${\mathrm{AgNO}}_3$$ solution was added. This indicates presence of :

Match List I with List II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; overflow:hidden;padding:10px 5px;word-break:normal;} .tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px; font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;} .tg .tg-c3ow{border-color:inherit;text-align:center;vertical-align:top} .tg .tg-7btt{border-color:inherit;font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0pky{border-color:inherit;text-align:left;vertical-align:top} LIST I (Precipitating reagent and conditions) LIST II (Cation) A. $${\mathrm{NH}}_4\mathrm{Cl}+{\mathrm{NH}}_4\mathrm{OH}$$ I. $$\mathrm{M}{\mathrm{n}}^{2+}$$ B. $${\mathrm{NH}}_4\mathrm{OH}+{\mathrm{Na}}_2{\mathrm{CO}}_3$$ II. $$\mathrm{P}{\mathrm{b}}^{2+}$$ C. $${\mathrm{NH}}_4\mathrm{OH}+{\mathrm{NH}}_4\mathrm{Cl}+{\mathrm{H}}_2\mathrm{S}\text{ gas }$$ III. $$\mathrm{A}{\mathrm{l}}^{3+}$$ D. dilute $$\mathrm{HCl}$$ IV. $$\mathrm{S}{\mathrm{r}}^{2+}$$ Choose the correct answer from the options given below:

Which among the followng has highest boiling point?