MULTIPLE CHOICE. Choose the one alternative that best completes the statement or

Question

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) The compound 1-chloro-2-fluoropropane is A) used in anesthesia B) an amide C) used as an antiseptic D) an ether E) an aromatic amine 2) What is the name of this compound? HC-O-CH2CH2CH3 A) propyl ester B) ethyl acetate C) propyl formate D) propyl acetate E) ethyl formate 3) The functional group contained in the compound CH3-CH2-NH2 is a(n) A) thiol. B) ester. C) amide. D) carboxylic acid. E) amine. 4) Which of the following compounds has the molecular formula CgH1202? A) 3-hexanol B) butyl acetate C) 4-methyl phenol D) methyl pentyl ether E) propyl acetate 5) A cycloalkane A) has two fewer carbon atoms than the corresponding alkane. B) has two fewer hydrogen atoms than the corresponding alkane. C) contains -CH3 groups joined by single bonds. D) always contains a three carbon ring. E) has no hydrogen atoms

Explanation / Answer

1) 1-choloro-2-fluoropropane is not ether, amide, aromatic amine

can be used as anesthesia or antiseptic.

It is a cleaning agent so can be used as antiseptic.

So ans (C) is correct uesd as antiseptic.

2) Ans is (C) propylformate because ether contain single O while acetate contain CH3COOR.

It is Formate HCOOR and R is propyl.

3) Functional group in this molecule CH3-CH2-NH2 is (E) amine (-NH2).

4) Butylacetate has formula C6H12O2.

CH3COOCH2CH2CH2CH3.

alcohols and ethers contain single O So it must be ester. Propyl acetate has 5 Carbons. So ans is (B) Butyl acetate

5) A cycloalkane has two hydrogen less than corresponding alkane

For example= Cyclobutane= C4H8 and butane= C4H10.

So ans is (B)

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