The document contains 20 multiple choice questions related to chemistry. It covers topics like reactions of alcohols, carbonyl compounds, acids and bases, properties of elements, oxidation and reduction. The questions test understanding of concepts like electrophilic addition, nucleophilic substitution, isomerism, periodic trends in ionization potential and electron affinity, oxidation states of elements etc.

1. CHEMISTRY
1. CBACH
OH
HCCH
O
CHCHMgPBr
     223
3
|
3
DOH
  2
Here, D is
(a) 32
3
|
3 CHCHO
CH
HCCH 
(b) 32
3
|
3 CHCH
CH
HCOCH 
(c) OHCHCH
CH
HCCH 22
3
|
3 
(d) OHCH
CH
HCCHCH 2
3
|
23 
2. Phenol is more acidic than
(a) (b)
(c) 22 HC (d) Both (a) and (c)
3. In the reaction,
)()( 3
2356 AOCOCHCHOHC COONaCH
  product (A)
is
(a) Acetaldehyde (b) Cinnamic acid
(c) -nephthol (d) Phenol
4. The correct order of ease of dehydration of
following is
(a) I > II > III (b) III > II > I
(c) I > III > II (d) III > I > II
5. 5PCl reacts with a compound containing
(a) 3SO group (b) – OH group
(c) 3NO group (d) – NO group
6. Cumene process is the most important
commercial method for the manufacture of
phenol. Cumene is
(a) 1-methyl ethyl benzene
(b) Ethyl benzene
(c) Vinyl benzene
(d) Propyl benzene
7. The compound X in the reaction
is
(a) (b)
(c) (d)
8. Reaction
OHCH
OH
OHCH
OH
OCH
OH
2
2
or baseacid
2 
is called
(a) Lederer Manasse reaction
(b) Claisen condensation
(c) Benzoin condensation
(d) Etard reaction
 Space for rough work
OH
OCH
3
NO2
OH
I
OH
II
OH
III
OH
O
Na
O
H
COO
H
+ CO2   K390
X
 HCl
COON
a
ON
a
COON
a
ON
a
COO
H
OCOO
Na

2. 9. When phenol is reacted with 3CHCl and NaOH
followed by acidification, salicyldehyde is
obtained. Which of the following species are
involved in the above mentioned reaction as
inter mediate
(a) (b)
(c) (d) All of these
10. The order of solubility of alkanols in water is
(a) Propanol < Butanol > Pentanol
(b) Propanol > Butanol > Pentanol
(c) Propanol > Butanol < Pentanol
(d) Propanol = Butanol = Pentanol
11. Benzophenone can be converted into benzene
using
(a) Fused alkali
(b) Anhydrous 3AlCl
(c) Sodium amalgam in water
(d) Acidified dichromate
12. The reagent(s) which can be used to distinguish
acetophenone from benzophenone is (are)
(a) 2, 4-dinitrophenyl hydrazine
(b) Aqueous solution of 3NaHSO
(c) Benedict reagent
(d) 2I and 32CONa
13. When acetaldehyde is heated with Fehling
solution, it gives a red precipitate of
(a) Cu (b) CuO
(c) OCu2 (d) 2)(OHCu
14. The general order of reactivity of carbonyl
compounds for nucleophilic addition reactions
is
(a) OCArOCRArCHORCHOOCH  222
(b) OCHOCRRCHOOCArArCHO  222
(c) OCHRCHOArCHOOCROCAr  222
(d) ArCHORCHOOCArOCROCH  222
15. Which of the following gives an alcohol and
salt of carboxylic acid when reacted with conc.
NaOH
(a) CHOCH 3 (b) CHOHC 56
(c) 33 COCHCH (d) 356 COCHHC
16. Which of the following compounds would
undergo Cannizzaro's reaction
(a) Propionaldehyde (b) Benzaldehyde
(c) Bromobenzene (d) Acetaldehyde
17. 
HNaOH / reacts with
(a) 356 OCHHC (b) OHCH 3
(c) 3
||
3 CH
O
CCH  (d) OHHC 52
18. The product of following reaction
is
/2
 
PtH
O
(a) (b)
(c) (d)
 Space for rough work
O
3CCl
H
O
2CHCl
OH
CHCl
|
O
H
CH
3
OH
O
H
3CH
H
OH

3. 19. Which of the following aldehydes is most
reactive towards nucleophilic addition
reactions
(a) HCHO (b) CHOCH3
(c) CHOHC 52 (d) 33COCHCH
20. Which one of the following gives iodoform
test
(a) Formaldehyde (b) Ethyl alcohol
(c) Benzyl alcohol (d) Benzaldehyde
21. If the difference in electronegativities of two
elements is very large, then
(a) The bond is 50% ionic
(b) The bond is 100% covalent
(c) The bond is more covalent than ionic
(d) The bond is more ionic than covalent
22. Which of the following elements will have
the lowest electron affinity
(a) Nitrogen (b) Flourine
(c) Chlorine (d) Phosphorus
23. The correct order of second ionization
potential of carbon, nitrogen, oxygen and
fluorine is
(a) C > N > O > F (b) O > N > F > C
(c) O > F > N > C (d) F > O > N > C
24. Which of the following species has the
highest ionisation potential
(a) 
Li (b) 
Mg
(c) 
Al (d) Ne
25. Which of the following elements are
analogous to the lanthanides
(a) Actinides (b) Borides
(c) Carbides (d) Hydrides
26. 2SO acts as temporary bleaching agent but
2Cl acts as permanent bleaching agent. Why
(a) 2Cl bleaches due to reduction but 2SO due
to oxidation
(b) 2Cl bleaches due to reduction but 2SO
due to reduction
(c) Both of these (d) None of these
57. When orthophosphoric acid is heated to
,600 Co
the product formed is
(a) Phosphine, 3PH
(b) Phosphorus pentoxide, 52OP
(c) Phosphorus acid, 33 POH
(d) Metaphosphoric acid, 3HPO
58. When ammonia is passed over heated CuO ,
it is oxidised to
(a) 2N (b) 2NO
(c) ON 2 (d) 2HNO
59. When chlorine water is exposed to sunlight
the colour change that occurs is
(a) Colourless to brown
(b) Greenish yellow to colourless
(c) Light blue to colourless
(d) Colourless to greenish yellow
60. 2N forms 3NCl , whereas P can form both
5PCl and 5PCl . Why
(a) P has low lying 3d orbitals, which can be
used for bonding but 2N does not have
low lying 3d orbital
(b) 2N atom is larger than P in size
(c) P is more reactive towards Cl than 2N
(d) None of these
 Space for rough work