ECAT Chemistry MCQ's Test For Full Book With Answers

ECAT Chemistry MCQ's Test For Full Book

Sr. # Questions Answers Choice
1 Which reaction is of condensation or addition elimination reaction? Ketol Aldol Cannizzaro All of these
2 Cannizzaro's reaction is type of reaction: Self oxidation-reduction reaction Disproportion reaction Addition A and B
3 Common names of aldehydes are given by corresponding: Ketone Alcohol Carboxylic acid ester
4 Aledehydes ketones can be prepared form alcohols by their: Reduction Oxidation Decomposition Synthesis
5 Iodoform test is given by: Formaldehyde and Higher ketones Formaldehyde Acetaldehyde and methyl ketones Acetaldehyde
6 Reaction of Grignard's reagent with ketones gives: Reaction of Grignard's reagent with formaldehyde gives: Pri-alcohol Sec-Alcohol Ter-alcohol Carboxylic
7 Reaction of Grignard's reagent eith aldehyds other formaldehyde gives: Reaction of Grignard's reagent with formaldehyde gives: Pri-alcohol Sec-alcohol Ter-alcohol Carboxylic
8 Reaction of Grignard's reagent with formaldehyde gives: pri-alcohol sec-alcohol ter-alcohol carboxylic
9 Formula of acetone is: HCHO CH<sub>3</sub>CHO CH<sub>3</sub>OCH<sub>3</sub> CH<sub>3</sub>OC<sub>2</sub>H<sub>5</sub>
10 The homologous series of aldehydes and ketones have general formula: C<sub>n</sub>H<sub>2n</sub>O C<sub>n</sub>H<sub>n</sub>O C<sub>n</sub>H<sub>2n-1</sub>O C<sub>n</sub>H<sub>n</sub>O<sub>n</sub>
11 Carboxyl compounds have functional group: R-C-X R-CH=O RCOR All
12 Aldehydes are oxidizes are to give: Primary alcohol Sec-alcohol Ter-alcohol Carboxylic acid
13 Which of the following reagent will react with both aldehyde and ketones? Grinard's reagent Tollen's reagent Fehling's reagent Benedict's reagent
14 Cannizzzaro's reaction is not given by: Formaldehyde Acetaldehyde Benzaldehyde Trimethyl
15 Which of the following compounds will react with reagent ? CH<sub>3</sub> CO H CH<sub>3</sub> CO CH<sub>3</sub> CH<sub>3 COOH</sub> CH<sub>3 </sub>CO CH<sub>2</sub>CH<sub>3</sub>
16 Which of the following compounds will not give iodoform test on treatment with I2/ NaOH? Acetaldehyde Acetone Butane 3-pentanone
17 Acetone reacts with HCN to form a cyanohydrin. It is an example of: Nucleophilic substitution Nucleophilic addition Electrophilic addition Electrophilic substitution
18 Ketones are prepared by the oxidation of: Primary alcohol Secondary alcohol Tertiary alcohol None of these
19 Which of the following will have the highest boiling point? Methanal Ethanal Propanal 2-Hexanone
20 Formalin is: 10% solution of formaldehyde in water 20% solution of formaldehyde in water 40% solution of formaldehyde in water 60% solution of formaldehyde in water
21 The carbon of a carbonyl group is: sp hybridized sp<sup>2 </sup>hybridized sp<sup>3 </sup>Hybidized None of these
22 The organic compounds which derivative of hydrocarbons due to oxygen is: Phenol Alcohol Alkyl halide Either
23 The organic compounds which are derivative of hydrocarbons of oxygen are: Carbohydrates Phenols Alcohals All of these
24 Either, an organic compound has close resemblance in structure and thus a derivative of: Water Oxides of lithium Oxides of magnisium Oxides of aluminium
25 The organic compound, alcohols are much closer to, in structure and hence is also called its derivative: Water Oxidizes of lithium oxides Oxidizes of magnesium Oxidizes of aluminium
26 Phenol was discovered by: Hofmann Runge Henderson Bakelite
27 Alcohol can be denaturated by adding: Acetone Methanol Pyridine All
28 Concentration of rectified spirit is: 12% 14% 90% 95%
29 Absolute alcohol is obtained by adding rectified apirit in alcohol: Water Na<sub>2</sub>CO<sub>3</sub> NaOH CaO
30 denaturing of alcohol is done by adding methanol in ethanol: 10% 20% 30% 40%
Download This Set

Is this page helpful?