Karnataka CET Chemistry Exam Question Papers

Will you please share the Chemistry sample Question Paper of Karnataka CET Exam???

As per your request I am Karnataka Common Admission Test (KCET) Chemistry question paper, hope it help you.

Alkali metals have negative reduction potential and hence they behave as
(1) Oxidising agents (2) Lewis bases (3) Reducing agents (4) Electrolytes
Ans: (3)

Which of the following gases has the highest value of RMS – velocity at 298 K?
(1) CH4
(2) CO
(3) Cl2
(4)CO 2

Ans: (1)

Cycloalkane formed when 1, 4-dibromopentane is heated with Sodium is
(1) Methyl cyclobutane
(2) Cyclopentane
(3) Cyclobutane
(4) Methyl cyclopentane
Ans: (2)

In Buna-S, the symbol “Bu” stands for
(1) 1-Butene (2) n-Butene
(3) 2-Butene
(4) Butadiene
Ans: (4)

8. The electronic configuration of Cu2+ ion is
(1) [Ar] 3d 84s1
(2) [Ar] 3d 94s o
(3) [Ar] 3d74s2
(4) [Ar] 3d84so
Ans: (2)

0. Mesomeric effect involves
(1) delocalisation of π- electrons
(2) delocalisation of σ - electrons
(3) partial displacement of electrons
(4) delocalisation of π and σ electrons

Ans: (1)

Methane can be converted into Ethane by the reactions
(1) Chlorination followed by the reaction with alcoholic KOH
(2) Chlorination followed by the reaction with aqueous KOH
(3) Chlorination followed by Wurtz reaction
(4) Chlorination followed by decarboxylation
Ans: (3)

Meso compounds do not show optical activity because
(1) they do not contain chiral carbon atoms
(2) they have non-super imposable mirror images
(3) they contain plane of symmetry
(4) they do not contain plane of symmetry

An example for a neutral buffer is
(1) Ammonium hydroxide and Ammonium chloride
(2) Acetic acid and Sodium acetate
(3) Acetic acid and Ammonium hydroxide
(4) Citric acid and Sodium citrate
Ans: (3)

In a transition series, with increase in atomic-number, the paramagnetism
1) increases gradually
2) decreases gradually
3) first increases to a maximum and then decreases
4) first decreases to a minimum and then increases
Ans: (3)

Karnataka CET 2013 Chemistry paper with solutions

Here I am sharing the Chemistry sample Question Paper of Karnataka CET Exam

Which one of the following statements is false?
A During roasting, moisture is removed from the ore
B The ore is freed from almost all non-metallic impurities
C Calcinations of ore is carried out in the absence of any blast of air
D The concentrated zinc blende is subjected to calcinations during its extraction by pyrometallurgy

In chromite ore, the oxidation number of iron and chromium are respectively
A +3, +2
B +3, +6
C +2, +6
D +2, +3

The number of naturally occurring p-block elements that are diamagnetic is
A 18
B 6
C 5
D 7

If the energies of the two photons in the ratio of 3: 2, their wavelength will be in the ratio of
A 2:3
B 9:4
C 3:2
D 1:2

When O2 converted into O2+
A both paramagnetic character and bond order increase
B bond order decreases
C paramagnetic character increases
D paramagnetic character decreases and the bond order increases

Generally, the first ionisation energy increases along a period. But there are exceptions. The one which is not an exceptions
A Be and B
B Na and Mg
C Mg and Al
D N and O

25 g of each of the following gasses are taken at 27C and 600 mm pressure. Which of these will have the least volume?
A HCl
B HBr
C HI
D HF

The amount of heat evolved when 500 cm3 of 0.1 M HCl is mixed with 200 cm3 of 0.2 M NaOH is
A 2.292 kJ
B 1.292 kJ
C 22.9 kJ
D 0.292 kJ

The enthalpy of vaporization of benzene is + 35.3 kJ/mol at its boiling point, 800C. The entropy change in the transition of vapour to liquid at its boiling point is
A -100
B +100
C +342
D -342

Based on the first law of thermodynamics, which one of the following is correct?
A For an isothermal process, Q= + W
B For an sochoric process, ΔU= - Q
C For an adiabatic process, ΔU = -W
D For a cyclic process. Q = -W

A mixture of CaCI2 and NaC1 weighing 4.44 g is treated with sodium carbonate solution to precipitate all the calcium ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get 0.56 g of CaO. The percentage of NaCI in the mixture is (atomic mass of Ca = 40)
A 75
B 31.5
C 40.2
D 25

1 g of silver gets distributed between 10 cm3 of molten zinc and 100 cm3 of molten lead at 8000C. The percentage of silver still left in the lead layer is approximately
A 2
B 5
C 3
D 1

Which one of the following is true?
A NaOH is used in the concentration of bauxite ore
B NaOH is a primary standard in volumetric analysis
C Mariganous hydroxide is soluble in excess of NaOH solution
D NaOH solution does not react with Cl

The compound which gives turbidity immediately with Lucas reagent at room temperature is
A butan-1-ol
B hutan-2-ol
C 2-methyl propan-2-ol
D 2-methyl propan-1-ol

Ethyl benzene cannot be prepared by
A Wurtz reaction
B Wurtz-Fittig reaction
C Friedel-Craft’s reaction
D Clemmensen reduction

1.2 g of organic compound of Kjeldahlization liberates ammonia which consumes 30 cm3 of l N HCI. The percentage of nitrogen in the organic compound is
A 30
B 35
C 46.67
D 20.8

The spin only magnetic moment of Fe2+ ion (in BM) is approximately
A 4
B 7
C 5
D 6

The yellow precipitate formed during the chromyl chloride test is chemically
A chromic acid
B lead chromate
C lead acetate
D sodium chromate

The activation energy of a reaction at a given temperature is found to be 2.303 RT J mol-1 - The ratio of rate constant to the Arrhenius factor is
A 0.01
B 0.1
C 0.02
D 0.00 1

Which one of the following is a covalent crystal?
A Rock salt
B Ice
C Quartz
D Dry ice

Which one of the following does not involve coagulation?
A Clotting of blood by the use of ferric chloride
B Formation of delta region
C Treatment of drinking water by potash alum
D Peptization

A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows
A negative deviation from Raoult’s Law
B positive deviation from Raoult’s law
C no deviation from Raoult’s law
D positive or negative deviation from Raoult’s law depending upon the composition

Which of the following gives an aldehyde on dry distillation?
A Calcium formate + calcium acetate
B Calcium acetate + calcium benzoate
C Calcium acetate
D Calcium benzoate

The maximum number of possible optical isomers in 1 -bromo-2 –methyl cyclobutane is
A 4
B 2
C 8
D 16

Which one of the following is the most energetic conformation of cyclohexane?
A Boat
B Twisted boat
C Chair
D Half chair

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Answered By StudyChaCha Member