NAT I Engineering Chemistry With Answers

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NAT I Engineering Chemistry

Sr. # Questions Answers Choice
1 Salol is prepared from Salicylic acid and phenol Salicylic acid and methyl alcohol Both None
2 Maximum number of active hydrogens are present in Acetic-acid Glycerol Methane Methanol
3 Dehydration of glycerol give Propane Propene Acrolein Benzene
4  Which of the following cannot be produced by acidic dehydration of alcohols? Ethers Aldehyde Alkyl Hydrogen sulphate Alkene
5 Which one is primary alcohol? <span style="font-size: 14.44444465637207px;">Buten-2-oI</span> <span style="font-size: 14.44444465637207px;">Propan-2-oI</span> <span style="font-size: 14.44444465637207px;">Butane-1-oI</span> <span style="font-size: 14.44444465637207px;">2,3-Dimethylhexane-4-oI</span>
6 For the carbylamine reaction we need hot alc.KOH and Any amin and chloroform Chloroform and Ag powder A primary amine and chloroform A mono alkyl amine and trichlorom-ethane
7 The most reactive compound for electrophilic nitration will be Benzyl chloride Benzoic acid Nitrobenzene Chlorobenzene
8 Reaction of ethylamine with chloroform in alcoholic KOH producers CH<sub>3</sub>OH CH<sub>3</sub>NC C<sub>2</sub>H<sub>5</sub>NC C<sub>2</sub>H<sub>5</sub>CN
9 Ethyl chloride on treatment with aqueous alkali gives Ethane Ethene Ethanal Ethanol
10 Which of the following with aqueous KOH will give acetaldehyde? 1,2-Dichloroethane 1, 1-Dichloroethane Chloroacetic acid Ethyl chloride
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