Chemistry Test for AIEEE, IIT& EAMCET

1 1) What is the wavelenth of 2nd H linethe balmer series of hydrogen spectrum?
1) 36/5R
2) 5R/36
3) 3R/16
4)16/3R
2) what is the enery of photon that corresponds to a wave number of 2.5 x 10^ -1 cm -1
1) 2.5 x 10^ -20 erg
2) 5.1 x 10^ -23 erg
3) 2.5 x 10^ -21erg
4) 8.5 x 10^ -2
3) In which of the following element both ultimate and penultimate shells are incompletely filled
1) Ni
2) Cd
3) Hg
4) Zn
4) Molecule Hybridization of central atom A) SiCl4 i) sp3d2 B) XeF4 ii) sp2 c) BCl3 iii) sp3d d) ICl3 iv)sp3
A---iii B----ii C -----i D----iv
A---iv B----iii C -----ii D----i
A---iv B----i C -----ii D----iii
A---iii B----i C -----ii D----iv
5) Molecule with zero dipolemoment is
1) SO2
2) HF
3) H2O
4) BeCl2
6)The weight of 5.6 lit of a gas at STP is 11gms. The gas may be
1) PH3
2) N2O
3) NO
4) COCl2
7) At 100K RMS velocity of a gas is 10000 cm/sec hence at what temperature RMS velocity becomes 3 x 10000 cm/sec
1) 900* C
2) 327* C
3) 627* C
4) 127* C
8) Emperical formula of a compound is CH2 and its molecular weight is 84. The molecular formula of the compound is
1) C4H8
2) C6H6
3) C6H8
4) C6H12
9)The wieght of oxygen required to completely reac with 27 gms of Al is
1) 8 gm
2) 16 gm
3) 32 mg
4) 24 gm
10) A sample of water contains 111 ppm of CaCl2, Hardness of that water sample is
1) 111
2) 50
3) 100
4) 180
11) what is the gas liberated when alkaline formaldehyde solution is treated with H2O2 ?
1) CO2
2) N2
3) CH4
4) H2
12) when chlorine is passed into hot conc. causticsoda solution. The oxidation number of chlorine was increased in one of the products from
1) 0 to +7
2) 0 to +5
3) 0 to -1
4) -1 to +7
13) Potash alum give qualitative test for i . K+ ions ii. Al+3 ions iii. SO4 --2 ions
1) both i & ii are correct
both ii & iii are correct
both i & iii are correct
all i, ii and iii are correct
14) silica is soluble in
1) HCl
2) HNO3
3) H2SO4
4) HF
15) 1,2 dibromo ethane on heating in presence of Zn gives the following
1) Ethane
2) Ethylene
3) Acetyline
40 Methane
16) The iupac name of the compound CH3-CH(CH3)-CH2-Br
1) 2-bromo propane
2) 2-bromo ,2- methyl propane
1-bromo propane
1-bromo , 2- methyl propane
17) Match the followin A) --OH B) ---COOH C) --CHO D) --CO-- E) --NH3 1) oic acid 2) al 3) one 4) ol
1) A=1 B=2 3) C=3 D= 4
2) A=4 B= 1 C=2 D=3
3) A=2 B=3 D=1 E=4
4) A=3 C=3 D=2 E=4
18)Which of the following how optical isomerism
1) 2-bromopentane
2)2-bromopropane
3)2-butene
4)carbon tettra chloride
19) Assertion (A); compared to other Noble gases 'Xe " is chemically active reason (R) ;Xe has low IP value and vacant "d ' orbitals are available for excitationof electron from 'p' orbitals of valence shell
1) Both A and R are true. R is correct explanation of A
2) Both A and R are true. R is not correct explanation of A
3) A is true but R is false
4) A false B true
20) Haemoglobin of the blood forms carboxy haemoglobin with
1) CO2
2) CO
3) NO2
4) NO3
Description:

Multiple choice question in Chemistry

Discussion

harsha

excellent

4065 days 21 hours 53 minutes ago

santosh

hiiiiiiiiiiiiiii sir supper

4080 days 3 hours 59 minutes ago

priety

i want physics test

4083 days 20 hours 44 minutes ago

nandini

good job sir
i want full lenth test

4098 days 4 hours 51 minutes ago

navya

CAN WE HAVE A FULL LENGTH MOCK TEST PLEASE?

4317 days 23 hours 42 minutes ago

navya

CAN WE HAVE A FULL LENGTH MOCK TEST PLEASE?

4317 days 23 hours 42 minutes ago

monika

very good job sir......

4422 days 7 hours 40 minutes ago

dumbu

it is a gud test sir but,can u keep physics and maths test also please sir

4434 days 20 hours 52 minutes ago

rajesh

i want a full length test

4457 days 12 hours 35 minutes ago

Deepak

Please keep full model paper

4460 days 8 hours 30 minutes ago

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