The chemical name of anisole is Methoxy benzene

285.    The chemical name of anisole is

(A) Ethanoic acid

(B) Methoxy benzene

(C) Propanone

(D) Acetone

Answer:: (B)

286.    The colour of sky is due to

(A) transmission of light

(B) wavelength of scattered light

(C) absorption of light by atmospheric gases

(D) All of these

Answer:: (B)

287.    The complex, [Pt (Py) (lNH3) Br Cl ] will have how many geometrical isomers?

(A) 2

(B) 3

(C) 4

(D) 0

Answer:: (B)

288.    The complexes [Co (NH3)6] [Cr (CN)6] and [Cr(NH3)6] [Co(CN)6] are the examples of which type of isomerism?

(A) Geometrical isomerism

(B) Linkage isomerism

(C) Ionization isomerism

(D) Coordination isomerism

Answer:: (D)

289.    The compound obtained when acetaldehyde reacts with dilute aqueous sodium hydroxide exhibits ______.

(A) optical isomerism

(B) geometric isomerism

(C) both optical and geometric isomerism

(D) neither optical nor geometric isomerism

Answer:: (A)

290.    The compound on dehydrogenation gives a ketone. The original compound is

(A) primary alcohol

(B) secondary alcohol

(C) tertiary alcohol

(D) carboxylic acid

Answer:: (B)