Q.1
Purity of ether before using it as anaesthetic agent is tested by ..... .....
  • a) KI + starch
  • b) CuSO4
  • c) H2SO4
  • d) none of these
Q.2
On heating glycerol with conc. H2SO4, a compound is obtained which has bad odour. The compound is ... ....
  • a) formic acid
  • b) allyl alcohol
  • c) methyl isocyanide
  • d) acrolein
Q.3
The most important ingredient of dynamite is ... ...
  • a) glycerine trinitrate
  • b) nitrobenzene
  • c) nitrosobenzene
  • d) nitrophenol
Q.4
Methanol and ethanol can be distinguished by the following ... .....
  • a) by heating with iodine and washing soda
  • b) by reaction with caustic potash
  • c) by reaction with metallic sodium
  • d) by heating with zinc and inorganic mineral acid
Q.5
Germinated barley ( an enzyme) is a source of enzyme
  • a) invertase
  • b) maltase
  • c) zymase
  • d) diastase
Q.6
How many structural isomers are known for C4H10O?
  • a) 3
  • b) 4
  • c) 6
  • d) 7
Q.7
onMore Than One Correct Answers Q218) Which are the intermediate(s)
ch-26_que_no-218_img_no1.png
  • a)
    ch-26_qn-218choice_img_no1.png
  • b)
    ch-26_qn-218choice_img_no2.png
  • c)
    ch-26_qn-218choice_img_no3.png
  • d)
    ch-26_qn-218choice_img_no4.png
Q.8
Which of the following is a gas?
  • a) Propyl thiol
  • b) Isobutyl thiol
  • c) Methane thiol
  • d) Ethane thiol
Q.9
Which one of the following is not the characteristic of the alcohols?
  • a) Their boiling points rise fairly uniformly with a rise in molar mass
  • b) Lower members are insoluble in water and organic solvents but the solubility goes on increasing with the rise of molar mass
  • c) These are lighter than water
  • d) Lower members have a pleasant small but burning taste and the higher ones are odourless and tasteless
Q.10
han One Correct Answer Q221) Which of the following statement is/are correct?
  • a) When phenol vapour is passed over Zn dust, benzene is produced
  • b) The phenolic -OH group is ortho- and para-directing
  • c) o-nitrophenol has a lower b.p. than p-nitrophenol
  • d) Phenol is more acidic than o-cresol
Q.11
An organic compound A reacts with PCl5 to give B. The compound B with sodium metal gives n-butane. Thus A and B are .... ....
  • a) C3H7OH and CH3CH2CH2OCl
  • b) C2H5OH and C2H5Cl
  • c) C2H5Cl and C2H5ONa
  • d) C4H9OH and C4H9OCl
Q.12
onMore Than One Correct Answers Q223) In the following reaction, the product(s) formed is (are)
ch-26_que_no-223_img_no1.png
ch-26_que_no-223_img_no2.png
  • a) P(Major)
  • b) Q(Minor)
  • c) R(Minor)
  • d) S(Major)
Q.13
The dehydration of neo-phentanol gives mainly .... .....
  • a)
    ch-26_qn-266choice_img_no1.png
  • b)
    ch-26_qn-266choice_img_no2.png
  • c) CH3 - CH2 - CH = CH2
  • d) none of the above
Q.14
Which reagent is more effective to convert but-2-enal to but-2-enol?
  • a) K2Cr2O7/H2SO4
  • b) H2/Pt
  • c) KMnO4
  • d) NaBH4
Q.15
The products formed in the following reaction in presence of heat is .... .... C6H5OCH3 + HI ......
  • a) C6H5I and CH3OH
  • b) C6H6 and CH3OI
  • c) C6H5OH and CH3I
  • d) C6H5CH3 and HOI
Q.16
The IUPAC name of CH3COH(CH3)2 is .... ......
  • a) 3-methoxy propane
  • b) 2-methoxy propane
  • c) methyl-isopropylether
  • d) 1-methoxy propane
Q.17
The value of C - O - C angle in ether molecule is ... ...
  • a) 90°
  • b) 110°
  • c) 150°
  • d) 180°
Q.18
Which of the following is an alkoxide?
  • a) CH2OH . CH2OH
    ch-26_qn-228choice_img_no3.png
  • b) CH3CH2CH2CH2ONa
    ch-26_qn-228choice_img_no4.png
  • c)
  • d)
Q.19
Which of the following is an anaesthetic?
  • a) Trichloromethane
  • b) Thiobarburates
  • c) Ether
  • d) All of the above
Q.20
An aqueous solution of ethyl alcohol .... ....
  • a) turns blue litmus red
  • b) turns red litmus blue
  • c) does not affect the litmus colour
  • d) decolourises litmus
Q.21
Molasses contains .... ....
  • a) 10% sugar
  • b) 50% sugar
  • c) 60% sugar
  • d) 70% sugar
Q.22
Oxidation of allyl alcohol, (CH2 = CH - CH2OH) gives a mixture of oxalic acid and formic acid. If this oxidation is done in presence of bromine. One would expect only .... ....
  • a) acrylic acid
  • b) formic acid
  • c) oxalic acid
  • d) succinic acid
Q.23
(CH3CO)Na on reaction with CH3Br will give ... ..
  • a) CH3OCH3
  • b) (CH3)3COCH3
  • c) (CH3)3COC(CH3)3
  • d) CH3CH2OCH2CH3
Q.24
Which method is employed to convert alkyl halide into alcohol?
  • a) Addition
  • b) Substitution
  • c) Dehydration
  • d) Rearrangement
Q.25
on Q235) In the reaction below find product X is
ch-26_que_no-235_img_no1.png
  • a)
    ch-26_qn-235choice_img_no1.png
  • b)
    ch-26_qn-235choice_img_no2.png
  • c)
    ch-26_qn-235choice_img_no3.png
  • d)
    ch-26_qn-235choice_img_no4.png
Q.26
From methyl alcohol we get .... ....
  • a) neoprene rubber
  • b) perspex rubber
  • c) backelite a hard plastic
  • d) sponge rubber
Q.27
3-methyl-2-butanol on treatment with HCl gives predominantly ... ...
  • a) 2-chloro-3-methylbutane
  • b) 2,2- dimethylpentane
  • c) 2-chloro-2methylbutane
  • d) 2-chlro-pentane
Q.28
han One Correct Answer Q238) Denatured spirit is used as
  • a) fuel
  • b) beverage
  • c) solvent
  • d) none of these
Q.29
Fenton's reagent is .... ......
  • a) H2O2 + FeSO4
  • b) H2O2 + ZnSO4
  • c) H2O + FeSO4
  • d) NaOH + FeSO4
Q.30
When CH3MgI is made to react with acetone and the addition product formed in hydrolysed, we get .... ..
  • a) secondary alcohol
  • b) an aldehyde
  • c) a tertiary alcohol
  • d) a primary alcohol
0 h : 0 m : 1 s