Given below are two statements : Statement (I) : Nitrogen, sulphur, halogen and phosphorus present in an organic compound are detected by Lassaigne's Test. Statement (II) : The elements present in the compound are converted from covalent form into ionic form by fusing the compound with Magnesium in Lassaigne's test. In the light of the above statements, choose the correct answer from the options given below :

Identify the inorganic sulphides that are yellow in colour :(A) $(N{H}_4{)}_{2}S$(B) $PbS$(C) $CuS$(D) $A{s}_2{S}_3$(E) $A{s}_2{S}_5$Choose the correct answer from the options given below :

Identify A, B and C in the given below reaction sequence

Choose the correct tests with respective observations. (A) ${\mathrm{CuSO}}_4$ (acidified with acetic acid) $+{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]\to$ Chocolate brown precipitate. (B) ${\mathrm{FeCl}}_3+{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]\to$ Prussian blue precipitate. (C) ${\mathrm{ZnCl}}_2+{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$, neutralised with ${\mathrm{NH}}_4\mathrm{OH}\to$ White or bluish white precipitate. (D) ${\mathrm{MgCl}}_2+{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]\to$ Blue precipitate. (E) ${\mathrm{BaCl}}_2+{\mathrm{K}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_6\right]$, neutralised with $\mathrm{NaOH}\to$ White precipitate. Choose the correct answer from the options given below :

Match the LIST-I with LIST-IItable {width: 100%;border-collapse: collapse;margin: 20px 0;}th {background-color: blue;color: white;border: 1px solid lightgrey;padding: 10px;}td {border: 1px solid lightgrey;padding: 10px;text-align: left;}LIST-I (Reagent)LIST-II (Functional Group detected)A. Sodium bicarbonate solutionI. double bond/unsaturationB. Neutral ferric chlorideII. carboxylic acidC. ceric ammonium nitrateIII. phenolic - OHD. alkaline KMnO4IV. alcoholic - OHChoose the correct answer from the options given below:

Which of the following compounds is least likely to give effervescence of ${\mathrm{CO}}_2$ in presence of aq. ${\mathrm{NaHCO}}_3?$

Given below are two statements : Statement I : Mohr's salt is composed of only three types of ions-ferrous, ammonium and sulfate. Statement II : If the molar conductance at infinite dilution for ferrous, ammonium and sulfate ions are $x_1,x_2$ and $x_3\mathrm{S}{\mathrm{cm}}^2{\mathrm{mol}}^{-1}$, respectively then the molar conductance for Mohr's salt solution at infinite dilution would be given by $x_1+x_2+2x_3$ In the light of the given statements, choose the correct answer from the options given below :

When a salt is treated with sodium hydroxide solution it gives gas X . On passing gas X through reagent Y a brown coloured precipitate is formed. X and Y respectively, are

Formation of ${\mathrm{Na}}_4\left[\mathrm{Fe}(\mathrm{CN}{)}_5\mathrm{NOS}\right]$, a purple coloured complex formed by addition of sodium nitroprusside in sodium carbonate extract of salt indicates the presence of :

Compounds that should not be used as primary standards in titrimetric analysis are : A. ${\mathrm{Na}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$ B. Oxalic acid C. NaOH D. ${\mathrm{FeSO}}_4\cdot 6{\mathrm{H}}_2\mathrm{O}$ E. Sodium tetraborate Choose the most appropriate answer from the options given below:

The product (P) formed in the following reaction is :

The compounds which give positive Fehling's test are : Choose the correct answer from the options given below :

The total number of compounds from below when treated with hot KMnO4, giving benzoic acid is:

Residue (A) + HCl (dil) $\to$ Compound (B) Structure of residue (A) and compound (B) formed respectively is :

The major product of the following reaction is : ${\mathrm{CH}}_3{\mathrm{CH}}_2\mathrm{CH}=\mathrm{O}\underset{\text{ reflux }}{\overset{\begin{array}{c}\text{ excess }\mathrm{HCHO}\\ \text{ alkali }\end{array}}{\to }}$ ?

Given below are two statements: Consider the following reaction Statement (I): In the case of formaldehyde is about 2280, due to small substituents, hydration is faster. Statement (II) : In the case of trichloro acetaldehyde is about 2000 due to $-$I effect of $-$Cl . In the light of the above statements, choose the correct answer from the options given below :

Which of the following arrangements with respect to their reactivity in nucleophilic addition reaction is correct?

Aman has been asked to synthesise the molecule He thought of preparing the molecule using an aldol condensation reaction. He found a few cyclic alkenes in his laboratory. He thought of performing ozonolysis reaction on alkene to produce a dicarbonyl compound followed by aldol reaction to prepare " $x$ ". Predict the suitable alkene that can lead to the formation of " $x$ ".

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-baqh{text-align:center;vertical-align:top} .tg .tg-amwm{font-weight:bold;text-align:center;vertical-align:top} .tg .tg-0lax{text-align:left;vertical-align:top} List - I List - II (A) (I) Etard reaction (B) (II) Gatterman-Koch reaction (C) (III) Rosenmund reduction (D) (IV) Stephen reaction Choose the correct answer from the options given below :