1.The pKa of acetylaslicyclic acid (aspirin) is 3.5.The pH of gastric juice in human stomach is about 2-3 and pH in the small intestine is about 8.Aspirin will be

[1] Unionized in the small intestine and in the stomach.

[2] completely ionized in the stomach and almost unionized in the small intestine.

[3] Ionized in the stomach and almost unionized in the small intestine.

[4] Ionized in the small intestine and almost unionized in the stomach.



2.What is the product of the following reaction :

[1]	PhCOCH2-CH2COOEt
[2]	PhCOCH2CH2COOH
[3]
[4]

3.What is A in the following reaction ?

[1]		[2]
[3]		[4]

4.What is product of the following reaction

[1]	C6H5CH=CHCOOH
[2]
[3]
[4]	C6H5CH=CHCOOCH2

5.The most suitable conformation for E2 reaction is :

[1]
[2]
[3]
[4]

6.Aromatic compound among the following is

[1]		[2]
[3] [4] All of these

7.In the reaction is

[1]		[2]
[3]		[4]

8.The major product in the reaction

[1]		[2]
[3]		[4]

9.The correct order of solvolysis in the following alkyl halide is



[1] CH₂Cl > CH₂ = CH - CH₂Cl > CH₃CH₂CH₂Cl

[2] CH₂ = CH-CH₂ Cl > CH₂Cl CH₃CH₂CH₂Cl

[3] CH₃CH₂CH₂Cl > CH₂ = CH - CH₂Cl > CH₂Cl

[4] CH₂ = CH - CH₂Cl > CH₃CH₂CH₂Cl > CH₂Cl



10.The compound having maximum enol content

[1]	CH3CH2CHO	[2]	CH3COCH3
[3]	CH3CHO	[4]	CH3COCH2COCH3

11.The stability of carbenes is

[1]Singlet carbene > Triplet carbene

[2]Singlet carbene = Triplet carbene

[3]Singlet carbene < Triplet carbene

[4]Cannot be predicted



12.The end product [C] in the reaction

[1]		[2]
[3]		[4]

13.The reaction of gives,

[1]		[2]
[3]		[4]	All of these

14.m-Chlorobenzaldehyde acid on reaction with conc.KOH gives

[1] Potassium m-chlorobenzoate and m-hydroxybenzaaldehyde

[2] m-hydroxybenzaldehyde and m-chlorobenzyl alcohol

[3] m-chlorobenzyl alcohol and m-hydroxy benzyl alcohol

[4] Potassium m-chlorobenzoate and m-chlorobenzyl alcohol



15.The products of the reaction HCHO and PhCHO in the presence of concentrated base are :

[1]	CH3OH + PhCOO-	[2]	HCOO- + PhCH2OH
[3]	PhCOOCH3	[4]	HOOCCH2Ph

16.In Cannizzaro's reaction,the intermediate that will be the best hydride donor is

[1]		[2]
[3]		[4]

17.Which one is resistance toward decarboxylation

[1]	CH3-CH=CH-COOH
[2]	RCOCH2COOH
[3]
[4]	None of these

18.



B in the above sequence of reaction is

[1]		[2]
[3]		[4]

19.Predict the product 'P'

[1]
[2]
[3]
[4]

20.Of the following orders of reactivity of Cl with AgNO3 which one is correct ?

[1] CH₂ = CHCH₂Cl > CH₃CH₂CH₂Cl > CH₃CH = CHCl

[2] CH₂ = CHCH₂Cl > CH₃CH₂CH₂Cl < CH₃CH = CHCl

[3] CH₂ = CHCH₂Cl < CH₃CH₂CH₂Cl > CH₃CH = CHCl

[4] CH₂ = CHCH₂Cl < CH₃CH₂CH₂Cl < CH₃CH = CHCl



21.Of the following statement regarding the addition of HBr to butadiene,which one is not correct ?

[1] 1,2 -Adduct is the rate-controlled product

[2] 1,4 -Adduct is the thermodynamically controlled product

[3] 1,2 -Adduct can be changed to 1,4 -Adduct on increasing temperature

[4] 1,4 -Adduct can be changed to 1,2 -Adduct on decreasing temperature



22.Enolisation is maximum in case of :

[1]		[2]
[3]		[4]

23. X is :

[1]
[2]
[3] [4]

24. X and Y (Y is alcohol ,D is deuterium)X and Y will have structure :

[1]
[2]
[3] [4] None is correct

25.. Product ?A formed can :



[1] give iodoform test

[2] further react with CH₃MgBr/H₃O⁺ to give t-butyl alcohol

[3] be obtained by the ozonolysis of 2,3-dimethyl-2-butene

[4] All correct



26. , A is:

[1]		[2]
[3]		[4]

27. A is formed by Claisen condensation,which is/are true about A ?



[1] A forms oximes

[2] A shows tautomerism

[3] A shows iodoform test

[4] All true

28.



Select the correct statement :

[1] alkyl C-O bond breaks and O¹⁸ is contained in acid

[2] alkyl C-O bond breaks and O¹⁸ is contained in alcohol

[3] acyl C-O bond breaks and O¹⁸ is contained in acid

[4] acyl C-O bond breaks and O¹⁸ is contained in alcohol



29.An optically active compound 'X' has molecular formula C₄H₈O₃.It evolves CO₂ with aq.NaHCO₃.'X' reacts with LiAlH₄ to give an achiral compound.'X' is : s

[1]		[2]
[3]		[4]

30.Consider following compounds :




Which of the above compounds reacts with NaHCO₃ giving CO₃ :

[1]	I,II and III	[2]	I and III
[3]	II and III	[4]	I and II

31.concentration in one litre water is 10^-7 mole then degree of ionisation of water will be

[1]	1.8 x 10-7 %	[2]	0.8 x 10-9 %
[3]	3.6 x 10-9 %	[4]	3.6 x 10-7 %

32.The Ionisation constant of Acetic acid is 1.8 x 10^-5 then at which concentration the dissociation will be 2%

[1]	1 M	[2]	0.045 M
[3]	0.018 M	[4]	.45 M

33.In aqueous solution the will behave as

[1]	Base	[2]	Acid
[3]	neutral	[4]	Acid & Base both

34.The pH of which of the following solution will be maximum

[1]	0.01 M NaOH	[2]	0.02 M CH3COONa
[3]	0.01 M NaHCO3	[4]	.10 M H2SO4

35.At the time of excitement and fear the speed of breathing increases so conc. of CO₂ in the blood decreases then pH of the blood will

[1]	Decrease	[2]	Increase
[3]	No change	[4]	seven

36.if the pH of pure water is 6.63 then the temperatureof water will be

[1]	298 K	[2]	< 298 K
[3]	> 298 K	[4]	Cannot Predict

37.when 0.5 M HNO₃ and 0.2 N NaOH solution are mixed then,the heat liberated will be

[1]	13.7 K. Cal	[2]	0.5 x 13.7 K. Cal
[3]	13.7 x 0.2 K. Cal	[4]	27.2 K. Cal

38.The mol ten NaCl is good conductor of electricity due to

[1]	Free electrons	[2]	Free atoms
[3]	Free Ions	[4]	Hydrated Ions

39.The conductance of which of the following solution will be maximum if the conc.of all solutions is same

[1] K₄[Fe(CN)₆]

[2] K₃[Fe(CN)₆]

[3] FeSO₄.Cr₂(SO₄)₃.24 H₂O

[4] Na[Ag(CN)₂]



40.What will be the pH of 0.1 M potassium formate solution if the degree of hydrolysis=10%

[1]	2	[2]	12
[3]	11	[4]	1

41.When conc. is same then the increasing order of Ion conc. for the solution of following compounds will be :

[1] H₂S < H₂SO₄ < NaCl < NaNO₂

[2] NaNO₂ < NaCl < H₂S < H₂SO₄

[3] NaCl < NaNO₂ < H₂S < H₂SO₄

[4] H₂S < NaNO₂ < NaCl < H₂SO₄

42.The number of in one litre water will be

[1]	10-7	[2]	10-7 x 55.4
[2]	55.4 x 1023 x 6	[4]	6 x 1023 x 10-7

43.The Hydrolysis of anion of which of the following acid does not occurs

[1]	Acetic acid	[2]	Nitric Acid
[3]	Ethane diolic acid	[4]	methane nitrile

44.Select the law that corrosponds to data for the reaction A + B products.

[A]	[B]	Initial rate
0.012	0.035	0.1
0.024	0.070	0.8
0.024	0.035	0.1
0.012	0.070	0.8

[1]	Rate = K [B]3	[2]	Rate= K[A] [B]2
[3]	Rate= K [A]2>[B]1	[4]	Rate= [A]2[B]2

45.How much faster would a reaction proceed at 25^oC then at 0^oC if the activation energy is 62.3 kJ

[1]	5 times	[2]	2 times
[3]	16 times	[4]	10 times

46.A reaction x₂ + y₂ 2xy follows the following mechanism

x₂ x + x (fast)

x + y₂ xy + y (slow)

x +y xy (fast).The order of overall reaction is-

[1]	0	[2]	1
[3]	1.5	[4]	2

47.The enzyme catalysed reactions are faster than metal catalysed reaction because its activation energy is-

[1] lower than that of metal catalysed reaction

[2] higher than that of metal catalysed reaction

[3] same as that of metal catalysed reaction.

[4] N.O.T.



48.99% of a first order reaction is completed in 32 min.when will 99.9% of the reaction complete-

[1]	46 min.	[2]	48 min.
[3]	50 min.	[4]	32 min.

49.conc. of A is 1.0 M.After 1 min. it becomes 0.9982 M.What is the rate of reaction-(unit = mole 1^-1 min^-1)-

[1]	3.6 x 10-4	[2]	6.6 x 10-5
[3]	4.2 x 10-6	[4]	1.8 x 10-3

50.It takes 160 min. for the completion of 80% of the reaction,which is of zero order.What is the rate constant-

[1]	160	[2]	1/160
[3]	1/200	[4]	1/100