Quantitative measurement of nitrogen in an organic compound is done by the method :

• Berthelot method

• Belstein method

• Lassaigne test

• Kjheldahl method

Brown ring in the test of NO${}_3^{-}$ is formed due to the formation of :

• FeSO₄.NO

• [Fe(SO₄)₂.NO]H₂O

• Fe₂(SO₄)₃.NO

• None of these

Which kind of fission is favoured by sunlight ?

• Heterolytic fission

• Homolytic fission

• Both (a) and (b)

• None of these

In the titration of Na₂CO₃ and HCl, the indicator used is

• methyl orange

• methylene blue

• phenolphthalein

• litmus

Which type of isomerism is shown by propanal and propanone?

• Functional group

• Metamerism

• Tautomerism

• Chain isomerism

Copper sulphate is dissolved in water containing ________ for making Bordeaux mixture.

• NaOH

• KCN

• Ca(OH)₂

• All of these

Aspirin is

• acetyl salicylic acid

• benzoyl salicylic acid

• chloro benzoic acid

• anthranilic acid

The temporary effect in which there is complete transfer of a shared pair of pi-electrons to one of the atoms joined by a multiple bond on the demand of an attacking reagent is called

• electromeric effect

• inductive effect

• positive resonance effect

• negative resonance effect

Increasing order of acidic strength of given compounds is

• (ii) < (i) < (iv) < (iii)

• (i) < (iii) < (iv) < (ii)

• (i) < (iii) < (ii) < (iv)

• (iii) < (i) < (iv) < (ii)

Give IUPAC name of the following structure.

• 2-methyl-5-chlorocyclohexanol

• 1-chloro-4-methylcyclohexanol

• 5-chloro-2-methylcyclohexanol

• 3-chloro-2-methylcyclohexanol