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Chemistry: Topic-wise Test- 9 - NEET MCQ
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30 Questions MCQ Test - Chemistry: Topic-wise Test- 9
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Chemistry: Topic-wise Test- 9 - Question 1
The radius of the hydrogen atom in the ground state is 
.The radius of 
in the similar state is
Chemistry: Topic-wise Test- 9 - Question 2
The amount of energy needed to excite a hydrogen atom from its ground state to the second excited
state is
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Chemistry: Topic-wise Test- 9 - Question 3
For a neutral unexcited atom, consider four electrons identified by the quantum number n and l :
(i) n = 4, l = 1 (ii) n = 4, l = 0
(iii) n = 3, l = 2 (iv) n = 3, l = 1 They can be placed in order of increasing energy as
Chemistry: Topic-wise Test- 9 - Question 4
Which of the following pairs will combine through a coordinate bond?
Chemistry: Topic-wise Test- 9 - Question 5
The total number of covalent bonds present in the 
ion is
ion is
electrons in 
is
Chemistry: Topic-wise Test- 9 - Question 7
A square planar complex is formed by the hybridization of
Chemistry: Topic-wise Test- 9 - Question 9
The hydrated salt Na2CO3 x H2O undergoes 63 % loss in mass on heating and become anhydrous. The value of x is:
Chemistry: Topic-wise Test- 9 - Question 10
If the enthalpy of vaporization of water is 186.5 J 
the entropy of its vaporization will be
the entropy of its vaporization will be
Chemistry: Topic-wise Test- 9 - Question 12
The standard molar enthalpies of formation of ethane(g), 
(g), 
O(I) are –21.1 kacl, –94.1
kcal and –68.3 kcal respectively. The standard molar enthalpy of combustion of ethane will be
(g), O(I) are –21.1 kacl, –94.1kcal and –68.3 kcal respectively. The standard molar enthalpy of combustion of ethane will be
Chemistry: Topic-wise Test- 9 - Question 13
If at 298 K the bond energies of C–H, C–C, C=C and H–H bonds are 414 kJ 
,347 kJ 
,
615 kJ
and 435 kJ 
respectively, the value of enthalpy change for the reaction
at 298 K will be
,347 kJ ,615 kJ
and 435 kJ respectively, the value of enthalpy change for the reaction at 298 K will be
?
Chemistry: Topic-wise Test- 9 - Question 15
When 1 mole of ethanol is mixed with 1 mole of acetic acid, 0.67 mole of ethyl acetate is produced at equilibrium. Calculate 
for the reaction?
Chemistry: Topic-wise Test- 9 - Question 16
When 
is heated in a closed vessel, 
gas is liberated and 
is left behind 
At equilibrium
is heated in a closed vessel, gas is liberated and is left behind At equilibrium
Chemistry: Topic-wise Test- 9 - Question 17
The degree of dissociation of 0.1 M CH3CO2H is (given Ka ≈ 1.0 x 10-5)
Chemistry: Topic-wise Test- 9 - Question 18
Which of the following is the correct representation of the solubility product constant for 
Chemistry: Topic-wise Test- 9 - Question 19
When equal volumes of the following solutions are mixed, the precipitation of AgCl will occur only with (given 
of AgCl = 
of AgCl =
Chemistry: Topic-wise Test- 9 - Question 20
For a weak monoprotic acid, the pH of a given concentration is calculated by the equation
Chemistry: Topic-wise Test- 9 - Question 21
Hydrogen has the tendency to gain one electron to acquire helium configuration, in this respect it
resembles
resembles
Chemistry: Topic-wise Test- 9 - Question 23
A commercial sample of 
can be slowed down by the addition of small amount of phosphoric acid which acts as
can be slowed down by the addition of small amount of phosphoric acid which acts as
is
Chemistry: Topic-wise Test- 9 - Question 25
The IUPAC name of CH3-CH(OH)-CH2-CH(CH)3-CH2-CH3 is
Chemistry: Topic-wise Test- 9 - Question 26
The total number of isomers having the molecular formula 
is
is
Chemistry: Topic-wise Test- 9 - Question 27
The compound which is not isomeric with diethyl ether is
Chemistry: Topic-wise Test- 9 - Question 29
Which of the following compounds will not show cistrans isomerism?
Chemistry: Topic-wise Test- 9 - Question 30
Homolytic fission of carbon-carbon bond of ethane produces an intermediate in which the carbon atom is in
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