1.HOBr is acidic in nature due to-

(1) Low Ionisation Potention of Br

(2) High Ionisation Potention of Br

(3) Due to hydrogen in HOBr

(4) High electron affinity of Br



2.X-X bond length is 1.00 A^o and C-C bond length is 1.54 A^o.If electronegativities of X and C are 3.0 and 2.0 respectively,the C-X bond length is likely to be-

(1)	1.27	(2)	1.28
(3)	1.18	(4)	1.08

3.An atom with high electronegativity generally has-

(1) Tendency to form +ve ions

(2) High ionisation enthalpy

(3) Large aromic size

(4) Low electron gain enthalpy



4.Choose the species containing same number of electrons in the ultimate and penultimate orbit-

(1)	O-2	(2)	K+
(3)	Al+3	(4)	Mg+2

5.Mg forms Mg(II) because-

(1) The oxidation state of Mg of +2

(2) Mg belongs to s-block elements

(3) Mg contains two electrons in the ultimate energy level

(4) The difference in the first and second I.P. is 7.4 eV.



6.The following atoms are assumed to have tendency to accept electrons in isolated gaseous state except-

(1)	Argon	(2)	Chlorine
(3)	Rubidium	(4)	Magnesium

7.Ionic radius are-

(1) Inversely proportional to effective nuclear charge

(2) Inversely proportional to square of effective nuclear charge

(3) Directly proportional to effective nuclear charge.

(4) Directly proportional to square of effective nuclear charge



8.Group comprising of all metals is-

(1)	IIIA	(2)	IVA
(3)	VIIA	(4)	IIA

9.When the first ionisation energies are plotted against atomic number the peaks are occupied-

(1)	Alkali metals	(2)	Halogens
(3)	Inert gases	(4)	Transition elements

10.Radius of the isoelectronic species-

(1) Increases with the increase of nuclear charge

(2) Decreases with the increase of nuclear charge

(3) Is the same for all

(4) First increases and then decreases



11.In which of the following pair of compounds expension of octet not occurs-

(1)	IF3,SF6	(2)	SF4,IF7
(3)	CCl4,NCl3	(4)	TeCl4,CIF5

12.Which of the following species are not existed-

(1)	[BF4]-	(2)	[AIF6]-3
(3)	[SiF6]-2	(4)	[BF6]-3

13.Which of the following substance is not the example covalent solid-

(1)	Diamond	(2)	Graphite
(3)	Aluminium Nitride	(4)	Dry ice

14.Which of the following bond is present in KCN-

(1)	Ionic bond	(2)	Dative bond
(3)	Covalent bond	(4)	Mettallic bond
(1)	(1) & (2)	(2)	(1) & (3)
(3)	(1),(2) & (3)	(4)	(1),(2) & (4)

15.In which of the following dative bond is absent-

(1)	N2O5	(2)	NH4Cl
(3)	Be2Cl4	(4)	Diborane

16.Which of the following compound is called inorganic Benzene-

(1)	Diborane	(2)	Boron Nitride
(3)	Borazole	(4)	Silicon carbide

17.Incorrect statement for Allotropes is-

(1) Chemical properties are same

(2) These are formed by different elements

(3) Physical properties are different

(4) These are formed by different structures



18.The nature of bond between first chalcogen and second Alkali metal will be-

(1)	Covalent	(2)	Polar covalent
(3)	Electrovalent	(4)	Coordination bond

19.Which of the following compound is Brittle-

(1)	Dry Ice	(2)	I2
(3)	KCL	(4)	All above

20.SiCl₄ is easily hydrolysed because-

(1) This is ionic compound

(2) Si is IV A group element

(3) Si have empty d-orbitals

(4) All above



21.In the hydrogen spectrum.The energy of which of the following electronic Transition will be maximum.

(1)	Bract Series	(2)	Paschan Series
(3)	Balmer Series	(4)	Lyman Series

22.The number of electrons with m=0 in Cr will be

(1)	7	(2)	12
(3)	24	(4)	8

23.The average mass of sulphur atom will be

(1)	32 gm	(2)	32 x 10-23 gm
(3)	32 x 6.02 x 1023 gm	(4)	5.31 x 10-25 gm

24.The Ionisation potential of H is 13.6 ev then third I.P.of Li will be

(1)	13.6 eV	(2)	54.4 eV
(3)	122.4 eV	(4)	217.6 eV

25.Number of Neutrons in 8.4 gm N^-3 will be (N=Avogardo no.)

(1)	8.4 N	(2)	4.8 N
(3)	24 N	(4)	4.2 N

26.Polarisation of electrons in acrolein may be written as

(1)
(2)
(3)
(4)

27.Amongst the three isomers of nitophenol,the one that is least soluble in water is

(1)	ortho	(2)	meta
(3)	para	(4)	all equal

28.Increasing order of acid strength among p-methoxyphenol,p-methylphenol, and p-nitrophenol is-

(1)	p-nitrophenol	p-methoxyphenol
	p-methylphenol
(2)	p-methylphenol	p-methoxyphenol
	p-nitrophenol
(3)	p-nitrophenol	p-methylphenol
	p-methoxyphenol
(4)	p-methoxyphenol	p-methylphenol
	p-nitrophenol

29.Among acetic acid ,phenol and n-hexanol, which will react with NaHCO₃ solution to give sodium salt and carbon dioxide ?

(1) Acetic acid

(2) n-Hexanol

(3) Phenol

(4) Acetic acid and phenol



30.Phenol is

(1) a base weaker than ammonia

(2) an acid stronger than carbonic acid

(3) an acid weaker than carbonic acid

(4) a neutral compound



31.Nitrobenzene can be prepared from benzene by using a mixture of conc.HNO₃ and conc.H₂SO₄.In the nitration mixture HNO₃ acts as a

(1)	base	(2)	acid
(3)	reducing agent	(4)	catalyst

32.	(I)		(II)
	(III)		(IV)

Increasing order of stability is

(1)	I < III < II < IV	(2)	IV < III < II <I
(3)	III < IV < II < I	(4)	II < IV < III < I

33.1-Chlorobutane on reaction with alcoholic potash (kOH) gives

(1)	1-butene	(2)	1-butanol
(3)	2-butene	(4)	2-butanol

34.Which is/are incorrect statement(s)

(a) Free radicals are paramagnetic

(b) Electrophiles may be called Lewis base also

(c) Free radicals are stable species

(d) S_N2 mechanism results in the inversion of cofiguration in the product

(1)	a,c	(2)	b,c
(3)	a,b,c	(4)	a,c,d

35.Examine the following two structures for the anilinium ion and choose the correct statement from those given here :




(1) It is not an acceptable canonical structure because carbonium ions are less stable than ammonium ions.

(2) It is not an acceptable canonical structure because it is non-aromatic

(3) It is not an acceptable canonical structure because the nitrogren has 10 valence electrons

(4) It is an acceptable canonical structure.



36.The correct statement(s) about nucleophilic substitution of an alkyl halide with .

(1) product (alcohol) of S_N1 is a perfect racemic mixture

(2) product of S_N1 is almost a racemic mixture

(3) product of S_N2 has inverse configuration

(4) A primary halide undergoes S_N1 reaction in aqueous HCOOH

(1)	a,b,c	(2)	a,c,d
(3)	b,c,d	(4)	a,b,d

37.Product(s) of the addition of Br₂ on ethene in aqueous NaCl

(1)	CH2Br-CH2OH	(2)	CH2Br-CH2Cl
(3)	CH2Na-CH2Cl	(4)	CH2Br-CH2Br
(1)	a,b,c	(2)	a,b,d
(3)	a,c,d	(4)	a,b,c,d

38.Which among the following carbonations is most stable :

(1)		(2)
(3)		(4)

39.Among the following compounds,the strongest base is :

(1)		(2)
(3)	C6H5-NH2	(4)	CH3-NH-CH3

40.Arrange given carbonations in decreasing order of stability :

(i)		(ii)
(iii)		(iv)
(1)	i > ii > iii > iv	(2)	i > iii > ii > iv
(3)	iii > ii > i > iv	(4)	i > iv > ii > iii

41.Which of the following compounds undergoes nitration fast :

(1)		(2)
(3)		(4)

42.In which of the following molecules all the effects namely inductive,mesomeric,hyperconjugation operate :

(1)		(2)
(3)		(4)

43.Most acidic hydrogen is present in :

(1)		(2)
(3)	(CH3CO)3CH	(4)	(CH3)3COH

44.Which nitrogen in LSD is most basic :

(1)	1	(2)	2
(3)	3	(4)	All are equally basic

45.Which is the most basic among following pairs of compounds :

(1)

(C2H5)3N &

I

II

(2)

CH3CH2NHCH2CH3 &

I

II

(3)

(1)	a-I,a-II,c-I	(2)	a-I,b-I,c-I
(3)	a-II,b-I,c-II	(4)	a-II,b-II,c-II

46.Arrange in decreasing order of stability :

(1)		(2)
(3)		(4)

(1)	a > b > c > d	(2)	b > a > c > d
(3)	b > c > a > d	(4)	c > a > b > d

47.Arrange stability of the given carbanions in decreasing order :

(1)		(2)
(3)		(4)

(1)	a > b > c > d	(2)	b > a > c > d
(3)	b > c > a > d	(4)	c > a > b > d

48.Which among the following statements is correct ?

(1) is more stable than

(2) is more stable than

(3) Singlet is more stable than triplet

(4) All are correct



49.Which undergoes catalytics hydrogenation much faster :

(1)		(2)
(3)	equally	(4)	can't be predicted

50.Which undergoes hydration upto maximum extent :

(1) cis-CH₃CH=CHCH₃

(2) trans-CH₃CH=CHCH₃

(3) trans

(4)



51.The value of sin(tan^-1 x) is equals to :

(1)		(2)
(3)		(4)

52.The principle value of

(1)	5 /6	(2)	/2
(3)	3 /2	(4)	none

53.sec²(tan^-12)+cosec² (cot^-13) is equal to :

(1)	1	(2)	5
(3)	10	(4)	15

54.If cosec^-1 x=2 cot^-1 7 +cos^-1 3/5,then the value of x is :

(1)	44/117	(2)	125/117
(3)	24/7	(4)	5/3