Q.1
The correct order of solubility of 1°, 2° and 3° alcohol in water is ... ....
  • a) 3° > 2° > 1°
  • b) 1° > 2° > 3°
  • c) 3° > 1° > 2°
  • d) none of these
Q.2
Vapour of an alcohol were passed over hot reduced copper. It gave an olefin. The alcohol is ....
  • a) 1°
  • b) 2°
  • c) 3°
  • d) none of these
Q.3
onMore Than One Correct Answer Q394) The reaction is believed to occur through the formation of
ch-26_que_no-394_img_no1.png
  • a)
    ch-26_qn-394choice_img_no1.png
  • b)
    ch-26_qn-394choice_img_no2.png
  • c)
    ch-26_qn-394choice_img_no3.png
  • d) none of the above
Q.4
In the reduction reaction of following reaction the catalyst used is R - CHO + H2 → RCH2OH
  • a) Ni
  • b) Pd
  • c) Pt
  • d) all of these
Q.5
The following substance can be used as a raw material for obtaining alcohol
  • a) maize
  • b) molasses
  • c) potato
  • d) all of these
Q.6
Absolute alcohol contains .... .....
  • a) 100% C2H5OH
  • b) 5% H2O
  • c) 10% H2O
  • d) 40% H2O
Q.7
Assertion: A small amount of ethanol is added to CHCl3 bottles Reason: It acts as negative catalyst for the oxidation of CHCl3 to COCl2
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.8
An organic compound A reacts with sodium metal and forms B. On heating with conc. H2SOA give diethyl ether. So A and B are ... ....
  • a) CH3OH and CH3Ona
  • b) C2H5OH and C2H5ONa
  • c) C3H7OH and CH3Ona
  • d) C4H9OH and C4H9ONa
Q.9
Assertion: Alcohols cannot be dried by CaCl2 Reason:CaCl2 forms solvated molecules with alcohol
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.10
The b.p. of alcohols are .... than corresponding thiols
  • a) more
  • b) less
  • c) same
  • d) either of these
Q.11
Assertion:Methanol is stronger acid than water Reason:All alcohols are stronger acid than water
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.12
Ether fire can be extinguished by .... ....
  • a) sand
  • b) pyrene
  • c) CO2
  • d) all of these
Q.13
Alcohols are neutral in character where thio-alcohols are ... ... in character.
  • a) weakly acidic
  • b) strongly acidic
  • c) basic
  • d) neutral
Q.14
The number of isomeric alcohol of formula C4H10O is ... ...
  • a) 2
  • b) 3
  • c) 4
  • d) 5
Q.15
RCH2CH2OH can be converted to RCH2CH2COOH by the following sequence of steps
  • a) HCN, PBr3, H3O+
  • b) PBr3,KCN, H3O+
  • c) KCN, H3O+
  • d) PBr3,KCN, H2/Pt
Q.16
Na reacts rapidly with
  • a) primary alcohol
  • b) secondary alcohol
  • c) tertiary alcohol
  • d) none of these
Q.17
Dunstan's test is used for identification of ... ...
  • a) Carbonyl compound
  • b) alcohol
  • c) acetone
  • d) glycerol
Q.18
When C2H5OH is mixed with ammonia and passed over heated alumina, the compound formed is .... .....
  • a) CH3OCH3
  • b) C2H5NH2
  • c) C2H4
  • d) CH3OCH3
Q.19
Assertion:Acid catalysed dehydration of t-butanol is faster than n-butanol Reason: The order of stability of carbocation is 3° > 2° > 1°
  • a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
  • b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
  • c) Assertion is true but, Reason is false
  • d) Assertion is false but, Reason is true
Q.20
Lubricant used in watch is .... .....
  • a) coconut oil
  • b) pine oil
  • c) animal oil
  • d) glycerol
Q.21
Diethyl ether on treatment with Cl2 in presence of sunlight gives
  • a) 1,1-dichlorodiethyl ether
  • b) perchlorodiethyl ether
  • c) trichlorodiethyl ether
  • d) trichloroacetaldehyde
Q.22
In the presence of an acid catalyst, two alcohol molecules, will undergo dehydration to give.... .....
  • a) ether
  • b) anhydride
  • c) unsaturated hydrocarbon
  • d) ether
Q.23
Peppermint can be extracted from plant sources by using solvents like .... ....
  • a) H2O
  • b) CH3COOH
  • c) NH3
  • d) C2H5OH
Q.24
Ethers are quite stable towards ...
  • a) oxidizing and reducing agent
  • b) Na metal
  • c) base
  • d) all of these
Q.25
Glycerol on oxidation with conc. HNO3 mainly yields ....
  • a) tartonic acid
  • b) glyceric acid
  • c) mesoxalic acid
  • d) both (a) and (b)
Q.26
Ethers are not distilled to dryness for fear of explosion. This is due to formation of .... ...
  • a) alcohol
  • b) oxides
  • c) ketones
  • d) peroxides
Q.27
han One Correct Answer Q418) Chromic anhydride in H2SO4 is turned blue by
  • a) 1° alcohol
    ch-26_qn-418choice_img_no4.png
  • b) 2° alcohol
  • c) 3° alcohol
  • d)
Q.28
To prepare 2-propanol from CH3MgI, the other chemical required is .... ......
  • a) CO2
  • b) C2H5OH
  • c) CH3CHO
  • d) HCHO
Q.29
Ether are made free from peroxide linkage on distilling impure sample with .... ...
  • a) conc. NHO3
  • b) conc. HCl
  • c) conc. H2SO4
  • d) none of these
Q.30
If there be a compound of the formula CH3C(OH)3, which one of the following compounds would be obtained from it .... ....
  • a) Ethanol
  • b) Acetic acid
  • c) Methanol
  • d) Formaldehyde
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