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JEE-MAIN SERIES
Chemistry

General Chemistry

12 previous year questions.

Volume: 12 Ques
Yield: Medium

High-Yield Trend

12
2026

Chapter Questions
12 MCQs

01
PYQ 2026
easy
chemistry ID: jee-main

Structures of four disaccharides are given below. Among the given disaccharides, the non-reducing sugar is: 

1
Maltose
2
Lactose
3
Sucrose
4
Cellobiose
02
PYQ 2026
medium
chemistry ID: jee-main
Consider the elements N, P, O, S, Cl and F. The number of valence electrons present in the elements with most and least metallic character from the above list is respectively.
1
7 and 5
2
6 and 7
3
5 and 6
4
5 and 7
03
PYQ 2026
medium
chemistry ID: jee-main
For a strong electrolyte, molar conductivity increases slowly with dilution and can be represented by the equation:
Lambda_m = Lambda_m(0) − A × square root of c

Molar conductivity values of solutions of strong electrolyte AB at 18 degree Celsius are given below:

Concentration (mol L-1): 0.04 , 0.09 , 0.16 , 0.25
Molar conductivity (S cm2 mol-1): 96.1 , 95.7 , 95.3 , 94.9

The value of constant A based on the above data [in S cm2 mol-1 per (mol L-1)1/2] is:
04
PYQ 2026
medium
chemistry ID: jee-main
Match List - I with List - II according to shape. List - I A. XeO B. XeF C. XeO F D. XeOF List - II I. BrF II. NH III. [I ] IV. SF Choose the correct answer from the options given below:
1
A-II, B-III, C-I, D-IV
2
A-II, B-I, C-III, D-IV
3
A-II, B-III, C-IV, D-I
4
A-III, B-II, C-IV, D-I
05
PYQ 2026
medium
chemistry ID: jee-main
The correct increasing order of spin-only magnetic moment values of the complex ions:

[MnBr4]2− (A),
[Cu(H2O)6]2+ (B),
[Ni(CN)4]2− (C), and
[Ni(H2O)6]2+ (D)

is:
1
A = B
2
B
3
C
4
C
06
PYQ 2026
hard
chemistry ID: jee-main
Identify the correct statements: The presence of –NO group in benzene ring A. activates the ring towards electrophilic substitutions. B. deactivates the ring towards electrophilic substitutions. C. activates the ring towards nucleophilic substitutions. D. deactivates the ring towards nucleophilic substitutions. Choose the correct answer from the options given below:
1
A and D Only
2
B and C Only
3
C and A Only
4
B and D Only
07
PYQ 2026
medium
chemistry ID: jee-main

The cyclic cations having the same number of hyperconjugation are:

1
A, C and D only
2
A and B Only
3
A and C Only
4
B and C Only
08
PYQ 2026
easy
chemistry ID: jee-main
Consider the following aqueous solutions. I. 2.2 g Glucose in 125 mL of solution. II. 1.9 g Calcium chloride in 250 mL of solution. III. 9.0 g Urea in 500 mL of solution. IV. 20.5 g Aluminium sulphate in 750 mL of solution. The correct increasing order of boiling point of these solutions will be: [Given: Molar mass in g mol : H = 1, C = 12, N = 14, O = 16, Cl = 35.5, Ca = 40, Al = 27 and S = 32]
1
I
2
III
3
I
4
III
09
PYQ 2026
hard
chemistry ID: jee-main
Consider the following statements about manganate and permanganate ions. Identify the correct statements. A. The geometry of both manganate and permanganate ions is tetrahedral. B. The oxidation states of Mn in manganate and permanganate are +7 and +6, respectively. C. Oxidation of Mn(II) salt by peroxodisulphate gives manganate ion as the final product. D. Manganate ion is paramagnetic and permanganate ion is diamagnetic. E. Acidified permanganate ion reduces oxalate, nitrite and iodide ions.
1
A, D and E Only
2
A and D Only
3
A, C and D Only
4
A, B and E Only
10
PYQ 2026
hard
chemistry ID: jee-main

Two positively charged particles and have been accelerated across the same potential difference of 200 keV. Given mass of and . The de Broglie wavelength of will be times that of . The value of is _______ (nearest integer). 

11
PYQ 2026
hard
chemistry ID: jee-main
The wavelength of photon 'A' is 400 nm. The frequency of photon 'B' is . The wave number of photon 'C' is . The correct order of energy of these photons is:
1
C>B>A
2
B>A>C
3
A>C>B
4
A>B>C
12
PYQ 2026
hard
chemistry ID: jee-main
Given below are two statements: Statement I: The increasing order of boiling point of hydrogen halides is HCl
1
Statement I is true but Statement II is false
2
Both Statement I and Statement II are false
3
Both Statement I and Statement II are true
4
Statement I is false but Statement II is true

About General Chemistry - JEE-MAIN

General Chemistry is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

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