Which of the following compounds is not isomeric with ethoxyethane?

Which of the following compounds dissolves in hot dilute sulphuric acid but does not reacts with sodium metal?

3-Methyl butane-2-ol on heating with HI gives

In phenol carbon atom attached to -OH group undergoes –

Which among the following reducing agents is ‘not’ used to reduce acetaldehyde to ethyl alcohol?

Identify the weakest acidic compound amongst the following :

Natalite is a mixture of

The alcohol used in thermometers is

Which of the following is the first oxidation product of secondary alcohol?

When phenol is heated with cone. $HN{O}_{3}HNO\_3$ in presence of cone. $H_{2}S{O}_{4}H\_2SO\_4$ it yields