NEET Chemistry Chapter Wise Mock Test – Mock Test 1

NEET Chemistry Chapter Wise Mock Test – Mock Test 1

Question 1:
Railway wagon axles are made by heating rods of iron embedded in charcoal powder. The process is known as
(a) case hardening
(b) sheradizing
(c) annealing
(d) tempering

Question 2:
Equal volumes of monoatomic and diatomic gases at same initial temperature and pressure are mixed. The ratio of specific heats of the mixture (Cp / Cv) will be
(a)1
(B)2
(c)1.67
(d)1.5

Question 3:

Question 4:
Aluminium chloride exists as dimer, AI2CI6 in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water, it gives

Question 5:
The dissociation energy of CH4 and CgHg to convert them into gaseous atoms are 360 and 620 kcal mol-1 respectively. The bond energy of C —C bond is

Question 6:
When 10 mL of 0.1 M acetic acid (pKa = 5.0) is titrated against 10 mL of 0.1 M ammonia solution (pKb =50), the equivalence point.occurs at pH
(a) 5.0
(b) 6.0
(c) 7.0
(d) 9.0

Question 7:
Which of the following salts does not get hydrolysed in water?
(a) KCI04
(b) NH4CI
(c) CHgCOONa
(d) None of these

Question 8:
The axial angles in triclinic crystal system are

Question 9:
How many unit cells are present in a cube shaped ideal crystal of NaCI of mass 1.00 g
(Atomic mass Na= 23, Cl = 35.5) ?

Question 10:
Rearrange the following (I to IV) in the order of increasing masses and choose answer from (a), (b), (c) and (d) (Atomic mass : N = 14,0= 16,Cu= 63)

(a) II < I < IlI< IV
(b) IV < III < II < I
(c) II < III < I < IV
(d) III < IV < I < II

Question 11:
A monoprotic acid in 1.00 M solution is 0.01% ionised. The dissociation constant of this acid is

Question 12:

Question 13:
Among the following, the most stable compound is
(a) cis-1, 2-cyclohexanediol
(b) trans-1, 2-cyclohexanediol
(c) cis-1,3-cyclohexanediol
(d) trans-1, 3-cyclohexanediol

Question 14:
Ionic compounds are formed most easily by elements with
(a) low electron affinity, high ionisation energy
(b) high electron affinity, low ionisation energy
(c) low electron affinity, low ionisation energy
(d) high electron affinity, high ionisation energy

Question 15:
The bond order in NO is 2.5 while that in NO+ is 3. Which of the following statements is true for these two species?
(a) Bond length in NO+ is equal to that in NO
(b) Bond length in NO is greater than in NO+
(c) Bond length in NO+ is greater than in NO
(d) Bond length is unpredictable

Question 16:
The main product obtained when a solution of sodium carbonate react with mercuric chloride is

Question 17:
The change in optical rotation with time, of freshly prepared solution of sugar is known as
(a) rotatory motion
(b) inversion
(c) specific rotation
(d) mutarotation

Question 18:
Which is the most acidic of the following?
(a) Methane
(b) Acetylene
(c) 1-butene
(d) Neo- pentane

Question 19:

Question 20:

Question 21:
Which pair of compounds is expected to show similar colour in aqueous medium?

Question 22:
A vessel at 1000 K contains C02 with a pressure of 0.5 atm. Some of the C02 is converted into CO on the addition of graphite. If the total pressure at equilibrium is 0.8 atm, the value of Kp is
(a) 1.8 atm
(b) 3 atm
(c) 0.3 atm
(d) 0.18 atm

Question 23:

Question 24:

Question 25:

Question 26:

Question 27:

Question 28:

Question 29:

(a) Photochemical property
(b) Complex formation property
(c) Oxidising agent
(d) Reducing agent

Question 30:

(a) Ethane
(b) Methane
(c) Ethene
(d) Acetylene

Question 31:
Which one of the following undergoes reaction with 50% sodium hydroxide solution to give the corresponding alcohol and acid salt?
(a) Butanol
(b) Benzaldehyde
(c) Phenol
(d) Benzoic acid

Question 32:
In the following sequence of reactions ,what is D?

(a)Primary amine
(b)An amide
(c)Phenyl isocyanate
(d) A chain lengthend hydrocarbon

Question 33:
2C + 0₂——– > 2CO; ΔH = – 220 kU
Which of the following statements is correct for this reaction?
(a)Heat of combustion of carbon is 110 kJ
(b)Reaction is exothermic .
(c)Reaction needs no initiation
(d)All of the above are correct

Question 34:
Among the following compounds, which can be dehydrated very easily ?

Question 35:
Acid catalysed hydration of alkenes except ethene leads to the formation of
(a) mixture of secondary and tertiary alcohols
(b) mixture of primary and secondary alcohols
(c) secondary or tertiary alcohol
(d) primary alcohol

Question 36:
What is obtained when chlorine is passed in boiling toluene and product is hydrolysed?
(a) o-cresol
(b) p-cresol
(c) 2,4-dihydroxy toluene
(d) Benzyl alcohol

Question 37:

Question 38:
38. Which of the following is not a green house gas?

Question 39:
The saponification value of an oil or fat is measured in terms of

Question 40:

Direction (Q. NOS. 41-42) In the following questions more than one of the answers given may be correct. Select the correct answers and mark it according to the codes.
Codes
(a) 1,2 and 3 are correct
(b) 1 and 2 are correct
(c) 2 and 4 are correct
(d) 1 and 3 are correct

Question 41:

Question 42:

Question 43:

Direction (Q. Nos. 44-45) Each of these questions contains two statements: Assertion and Reason. Each of these questions also has four alternative choices, only one of which is the correct answer. You have to select one of the codes (a), (b), (c) and (d) given below.
(a) Assertion is true, Reason is true; Reason is the correct explanation for Assertion
(b) Assertion is true, Reason is true; Reason is not the correct explanation for Assertion
(c) Assertion is true, Reason is false
(d) Assertion is false, Reason is true

Question 44:

Question 45:
Assertion Amongst the halogen, fluorine can oxidise the elements to high oxidation state.
Reason Due to small size of fluoride ion, it is difficult to oxidise fluoride ion to fluorine. Hence, reverse reaction takes place more easily.

Answers:

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