JEE Main 2026 April 5 Shift 1 chemistry question paper is available here with answer key and solutions. NTA conducted the second shift of the day on April 5, 2026, from 9:00 AM to 12:00 PM.
- The JEE Main Chemistry Question Paper contains a total of 25 questions.
- Each correct answer gets you 4 marks while incorrect answers gets you a negative mark of 1.
Candidates can download the JEE Main 2026 April 5 Shift 1 chemistry question paper along with detailed solutions to analyze their performance and understand the exam pattern better.
JEE Main 2026 April 5 Shift 1 Chemistry Question Paper with Solution PDF
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Question 1:
How many grams of residue is obtained by heating \(2.76 g\) of silver carbonate? (Given : Molar mass of C, O and Ag are 12, 16 and \(108 g mol^{-1}\) respectively)
Arrange the following atomic orbitals of multi electron atoms in order of increasing energy.
A. \(n=3, l=2, m=+1\)
B. \(n=4, l=0, m=0\)
C. \(n=6, l=1, m=0\)
D. \(n=5, l=1, m=+1\)
E. \(n=2, l=1, m=+1\)
Identify the correct statements from the following :
A. Heisenberg uncertainty principle is applicable to electrons.
B. The size of \(2p_x\) orbital is less than the size of \(3p_x\) orbital.
C. The energy of \(2s\) orbital of H atom is equal to the energy of \(2s\) orbital of Li.
D. The electronic configuration of Cr is \([Ar] 3d^5 4s^1\)
What is the mole fraction of water in \(10%\) by weight (w/w) of aqueous urea solution? [Given: Molar mass of H, O, C and N are 1, 16, 12 and \(14 g mol^{-1}\) respectively.]
\(M_3A_2\) is a sparingly soluble salt of molar mass \(y g mol^{-1}\) and solubility \(x g L^{-1}\). The ratio of the molar concentration of the anion (\(A^{3-}\)) to the solubility product (\(K_{sp}\)) of the salt is:
Arrange the following resultant mixtures in increasing order of their pH values
A. \(10 mL 0.2 M Ca(OH)_2 + 25 mL 0.1 M HCl\)
B. \(10 mL 0.01 M H_2SO_4 + 10 mL 0.01 M Ca(OH)_2\)
C. \(10 mL 0.1 M H_2SO_4 + 10 mL 0.1 M KOH\)
First order gas phase reaction \(A \to B + C\). \(p_i = initial pressure of gas A\), \(P_t = total pressure of the reaction mixture at time t\). Expression of rate constant (k) is
Given below are two statements:
Statement I: The correct order of electronegativity of fluorine, oxygen and nitrogen is \(F > O > N\).
Statement II: The oxidation state of oxygen in \(OF_2\) is \(+2\) and in \(Na_2O\) is \(-2\).
Correct statements from the following are:
A. Nitrogen in oxidation states from \(+1\) to \(+4\) disproportionates in acid medium.
B. Nitrogen has the ability to form \(d\pi - p\pi\) multiple bonds with itself and other elements with small size and high electronegativity.
C. N-N single bond is stronger than P-P single bond.
D. Nitrogen has highest density in its group due to small size.
E. The maximum covalency of nitrogen is four since it has only four valence orbitals for bonding.
Which of the following is NOT a physical or chemical characteristic of interstitial compounds?
The correct statements about metal carbonyls are:
A. The metal-carbon bonds in metal carbonyls possess both \(\sigma\) and \(\pi\) character.
B. Due to synergic bonding interactions between metal and CO ligand, the metal-carbon bond becomes weak.
C. The metal-carbon \(\sigma\) bond is formed by the donation of lone pair of electrons on the carbonyl carbon into a vacant orbital of metal.
D. The metal-carbon \(\pi\) bond is formed by the donation of electrons from filled d-orbital of metal into vacant \(\pi^*\) orbital of CO.
Given below are two statements:
Statement I: Each electron in \(e_g\) orbitals destabilizes the orbitals by \(+0.6 \Delta_o\) and each electron in the \(t_{2g}\) orbitals stabilizes the orbitals by \(-0.4 \Delta_o\) in an octahedral field on the basis of crystal field theory.
Statement II: All the d-orbitals of the transition metals have the same energy in their free atomic state but when a complex is formed the ligands destroy the degeneracy of these orbitals on the basis of crystal field theory.
Given below are two statements:
Statement I: On the basis of inductive effect, the order of stability of alkyl carbanions is \(CH_3^- > CH_3-CH_2^- > (CH_3)_2CH^- > (CH_3)_3C^-\).
Statement II: Allyl and benzyl carbanions are more stabilised by inductive effect and not by resonance effect.
"P" is a hydrocarbon of molecular formula:- \(C_8H_{14}\). On ozonolysis, "P" forms "Q". "Q" on treatment with alkali under reflux condition produces "R", which on treatment with \(I_2 / NaOH\) gives a yellow precipitate. Acidification of the solution gives "S". The structure of "S" is given below:-
The correct structure of "P" is
- (A)
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- (B)
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- (C)
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- (D)
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For the following Friedel Craft's alkylation reaction, which of the statements are correct?
A. Major product is n-propyl benzene.
B. iso-propyl carbocation intermediate is also generated.
C. Multiple substitution is inevitable.
D. Introducing electron-donating substituent on benzene will not produce any alkyl benzene.
Benzyl isocyanide can be obtained from
Consider compounds A, B and C with following structural formulae
\(A = CH_3 - CH_2 - CH_2 - CH_2 - CH_2 - OH\)
\(B = CH_2 = CH - CH_2 - CH_2 - CH_3\)
\(C = HO - CH_2 - CH_2 - CH(OH) - CH_3\)
For the conversion of B from A, reagent (D) required is ____ and structural formula of product (E) obtained when C undergoes same reaction using excess reagent (D) is ____.
- (A)
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- (B)
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- (C)
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- (D)
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Identify the incorrect statements.
Identify the correct statements.
A. Glucose exists in two anomeric forms.
B. Anomers of glucose differ in configuration at C-1 in cyclic hemiacetal structure.
C. Melting point of \(\alpha\)-anomer of glucose is greater than \(\beta\)-anomer.
D. Specific rotation of \(\alpha\)-anomer is \(+19^\circ\) while for \(\beta\)-anomer is \(+112^\circ\).
E. \(\alpha\) and \(\beta\) anomers of glucose are prepared by crystallization of saturated glucose solution at \(303 K\) and \(371 K\) respectively.
Given below are two statements:
Statement I: Sodium dichromate and potassium dichromate are classified as primary standards in titrimetric analysis.
Statement II: Phenolphthalein is a weak base, therefore it dissociates in acidic medium.
Consider the following species:
\(BrF_5, XeF_5^-, BF_4^-, ICl_4^-, XeF_4, SF_4, NH_4^+, ClF_3, XeF_2, ICl_2^-\)
Number of species having \(sp^3d\) hybridized central atom is ____.
In an estimation of sulphur by Carius method \(0.2 g\) of the substance gave \(0.6 g\) of \(BaSO_4\). The percentage of sulphur in the substance is ____ %.
(Given molar mass in \(g mol^{-1}\) S : 32, \(BaSO_4 : 231\))
One mole of phenol is treated with dilute \(HNO_3\) at \(298 K\) to give a mixture of products. The mixture is separated by steam distillation. The steam volatile compound (X) is separated. The increase in percentage of oxygen in (X) with respect to phenol is ____ \(\times 10^{-1}\) %.
(Given molar mass in \(g mol^{-1}\) H:1, C:12, N:14, O:16)
The values of pressure equilibrium constant recorded at different temperatures for the following equilibrium reaction have been given below:
\(A(g) \rightleftharpoons B(g) + C(g)\)
The magnitude of \(\frac{\Delta H^\circ}{R}\) calculated from the above data is ____. (Nearest integer)
If the half life of a first order reaction is \(6.93 minutes\) then the time required for completion of \(99 %\) of the reaction will be ____ minutes.
(Given : \(\log 2 = 0.3010\))
JEE Main 2026 Chemistry Exam Pattern
| Particulars | Details |
|---|---|
| Exam Mode | Online (Computer-Based Test) |
| Paper | B.E./B.Tech |
| Medium of Exam | 13 languages: English, Hindi, Gujarati, Bengali, Tamil, Telugu, Kannada, Marathi, Malayalam, Odia, Punjabi, Assamese, Urdu |
| Type of Questions | Multiple Choice Questions (MCQs) + Numerical Value Questions |
| Total Marks | 100 marks |
| Marking Scheme | +4 for correct answer & -1 for incorrect MCQ and Numerical Value-based Questions |
| Total Questions | 25 Questions |
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