Please check my answers and if its wrong , please write the correct answers and

Question

Please check my answers and if its wrong , please write the correct answers and explain it

2-13. Which of the following molecules is an al cohol? A. CH3CH2OH 2-14. The functional group that is characteristic of a carboxylic acid is A. -COH 2-15. Which one of the following molecules is an aldehyde? A. CH3-OH B. CH3-CCH C. CH,-O-CH 2-16. Ethanol is an alcohol with a formula of CH.0H, What is the functional group of ethanoi A. C2Hs B.O C. H,O 2-17. Which of the following structures is a weak acid? A. R-CH2OH B. R -C-O-R C. R-C-H 2-18. Which of the following molecules is an acid? A. CH,CH2COOH B. CH COOCH3 C. CH3CH2OH D. CH3COCH3 2-19. The molecule below contains which two functional groups? O H H A ketone and alcoho B. aldehyde and ester D. acid and alcohol aldehyde and alcohol 2-20. Which one of the following is a tertiary amine? CH3 CH CH3 1+ A. CH3-NH2 3-N CH3 CHy CH3 is reduced to a(n) ed to a(n) 2-21. In the reaction below a(n) H OH A. aldehyd. a cohol C. ketone ..a cohol aldehyde ..ketone etone. .. phe 13

Explanation / Answer

2-13) option A is alcohol.

Explanation: -OH functional group is called alcohol.

2-14) -COOH functional group is called carboxylic acid.

2-15) option D is correct

Explanation: -CHO functional group is called aldehyde.

2-16) The formula of ethanol is CH3CH2OH. so the functional group in ethanol is -OH.

2-17) option A is correct. Alcohols are weak acids than carboxylic acids.

2-18) option A is correct

Explanation: -COOH functional group is called carboxylic acid so option A is an acid.

2-19) It contains aldehyde and alcohol

2-20) option B is a tertiary amine.

Explanation: If nitrogen atom is attached to three carbon atoms then it is called tertiary amine.

2-21) option C is correct

Explanation: ketone is reduced to alcohol.

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