Which of the following statement is/are correct?
1. Methyl chloride is lighter than water
2. Tetrachloromethane is lighter than water
3. Both 1 and 2
4. Alkyl chlorides undergo nucleophilic substitution more easily than alkyl bromides

Benzyl chloride undergoes nucleophilic substitution much more easily than chlorobenzene. Explain.

Which of the following substrates is/are more reactive than ethyl bromide for S_(N)2 reaction?

Which of the following fractions are greater than 1/(2) ?

Which of the following statements are correct? 1. A sigma bond is stronger than a pi bond 2. A covalent bond is stronger than a hydrrogen bond 3. HF is more polar than HCl 4. There is one electrovalent bond and three covalent bonds in methylene chloride Select the correct answer using the codes given below

Assign appropriate reasons for each of the following statements. (i)More metal fluorides are ionic in nature than metal chlorides. (ii) Hydrogen fluoride is a weaker acid than hydrogen chloride in aqueous solution. (iii)In aqueous solution HI is a stronger acid than HCI ? (iv) Addition of Cl_(2) to KI solution gives it a brown colour but excess of Cl_(2) turns it colourless. (v) Perchloric acid is a stronger acid than sulphuric acid.

Assertion : Rate of hydrolysis of methyl chloride to methanol is higher in DMF than in water. Reason : Hydrolysis of methyl chloride follows second order kinetics.

Why is MgCl2 more soluble in water than AICI_3 ?

With respect to graphite and diamond, which of the statements given below are correct? (1) Graphite is harder than diamond. (2) Graphite has higher electrical conductivity than diamond. (3) Graphite has higher thermal conductivity than diamond. (4)Graphite has higher C-C bond order than diamond.

Statement-1: Aniline undergoes-Friedel craft alkylation more readily than Toluene and Statement-2: Aniline undergoes fast electrophilic substituion than Toluene.

Statement-1. Vapour pressure of liquid ammonia is more than that of water. Statement-2. Molar mass of ammonia is less than that of water.