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JEE Main Chemistry Mock - 4


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25 Questions MCQ Test JEE Main & Advanced Mock Test Series | JEE Main Chemistry Mock - 4

JEE Main Chemistry Mock - 4 for JEE 2022 is part of JEE Main & Advanced Mock Test Series preparation. The JEE Main Chemistry Mock - 4 questions and answers have been prepared according to the JEE exam syllabus.The JEE Main Chemistry Mock - 4 MCQs are made for JEE 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for JEE Main Chemistry Mock - 4 below.
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JEE Main Chemistry Mock - 4 - Question 1

Phenol can be distinguished from ethyl alcohol by all reagents except

Detailed Solution for JEE Main Chemistry Mock - 4 - Question 1 Phenol reacts with NaOH, doesn't give Bromine water test but alchohol give Bromine water test and don't react with NaOH as pKa of alchohol is more than that of H2O but Na reacts with both phenol and alchohol so Na doesn't distinguish phenol and alchohol. hence D is correct
JEE Main Chemistry Mock - 4 - Question 2

1-Phenylethanol can be prepared by the reaction of benzaldehyde with

JEE Main Chemistry Mock - 4 - Question 3

If R is the Rydberg constant for hydrogen, then wave-number of the second line in the Lyman series is

Detailed Solution for JEE Main Chemistry Mock - 4 - Question 3

Wave no = 1/λ =R[1/n12 -1/n22]=R[1/12 -1/22]=3R/4.(For Lyman series n1=1)

JEE Main Chemistry Mock - 4 - Question 4

The ratio of specific charge of a proton and an α-particle is

JEE Main Chemistry Mock - 4 - Question 5
Electrophiles are
JEE Main Chemistry Mock - 4 - Question 6

which of the following hybridisation occurs in the formation of methane molecule?

JEE Main Chemistry Mock - 4 - Question 7
Acetic acid is produced with the help of
JEE Main Chemistry Mock - 4 - Question 8
Structurally, which of the following are similar ions?
JEE Main Chemistry Mock - 4 - Question 9
The molecule having bond order 3 is
JEE Main Chemistry Mock - 4 - Question 10
Tautomerism is exhibited by
JEE Main Chemistry Mock - 4 - Question 11

Which of the following has highest molar conductivity?

JEE Main Chemistry Mock - 4 - Question 12
Which of the following is not a π bonded complex?
JEE Main Chemistry Mock - 4 - Question 13

An aqueous solution of CoCl₂ on addition of excess of concentrated HCl, turns blue due to the formation of

JEE Main Chemistry Mock - 4 - Question 14
Noble gases are
JEE Main Chemistry Mock - 4 - Question 15
Which of the following will act as Lewis base, nucleophilic reagent as well as ligand in complex compound ?
JEE Main Chemistry Mock - 4 - Question 16

Which of the following exhibit geometrical isomerism?

JEE Main Chemistry Mock - 4 - Question 17
Which of the following is obtained when chloral is boiled with NaOH?
JEE Main Chemistry Mock - 4 - Question 18
Effective nuclear charge in case of an ion is equal to-
JEE Main Chemistry Mock - 4 - Question 19
Bakelite is prepared from
JEE Main Chemistry Mock - 4 - Question 20
K, Ca and Li metals may be arranged in the decreasing order of their standard electrode potentials as
*Answer can only contain numeric values
JEE Main Chemistry Mock - 4 - Question 21

Nitric oxide is formed in the combustion of fuel. An internal combustion engine produces 600 ppm (600 mg L–1) of NO. 100 L of air containing the produced NO was oxidised to NO2. The NO2 formed was dissolved in 10 L of water. The pH of the resulting solution is (log 2 = 0.30, log 3 = 0.48)


Detailed Solution for JEE Main Chemistry Mock - 4 - Question 21

*Answer can only contain numeric values
JEE Main Chemistry Mock - 4 - Question 22

A thin circular-disk earrings 10.0 cm in diameter is plated with a coating of gold 0.20 mm thick from an Au3+ bath. How many days (approx.) does it take to deposit the gold on one side of one earring if the current is 0.193 ampere. 
(Au = 197, density of Au = 19.7 g/cm3, 1 F = 96500 C, 86400 = 27500 p)


Detailed Solution for JEE Main Chemistry Mock - 4 - Question 22

*Answer can only contain numeric values
JEE Main Chemistry Mock - 4 - Question 23

Consider the following orders given below.
(i) S > Se > Te > O (Electron Affinity)
(ii) N–3 > O2– > F > Na+ > Mg2+ (Ionic Size)
(iii) Fe2+ > Fe3+ > Fe4+ (Ionization Enthalpy)
(iv) H < B < P < C < Cl (Electronegativity)
(v) Na+ < Mg2+ < Al3+ (Extent of hydration)
(vi) Li > Na > K > Rb > Cs (Reducing Nature)
(vii) LiF(s) > LiCl(s) > LiBr(s) (Lattice Energy)
If x = number of correct orders
   y = number of incorrect orders
then the value of (1 + y/x) is.


*Answer can only contain numeric values
JEE Main Chemistry Mock - 4 - Question 24

Among the following oxides
Cr2O3, V2O5, FeO, Mn2O7, ZnO, Cu2O, MnO2, CrO3, NiO
If x = number of basic oxides
   y = number of acidic oxides
   z = number of amphoteric oxides
then the value of (x + y)/z is


*Answer can only contain numeric values
JEE Main Chemistry Mock - 4 - Question 25


How many hydrogen atom(s) is/are present in precipitate (P)?


Detailed Solution for JEE Main Chemistry Mock - 4 - Question 25

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