JEE Main 2023 April 6 Shift 1 Chemistry Question Paper with Solutions

JEE Main 2023 April 6 Shift 1 Chemistry Question Paper with Solutions for memory based and detailed solutions are available here on this website. Candidates can sse here the JEE Main 2023 April session Shift 1 question paper with Solution and you can also download here in a PDF format.

Ques 1 : Name of the polymer which is named as orlon is

1. Polyamide
2. Polycarbonate
3. Polyacrylonitrile
4.  Polyethene

Ans: 3. Polyacrylonitrile

Ques 2: If radius of hydrogen in ground state is 51 pm, find out the radius of fifth orbit of Li²+ ions
Ans. 425

Ques 3: In a compound, atoms of element Y form ccp lattice and those of element X occupy 1/3^rd of tetrahedral voids. The formula of the compound will be:

        Reason: In both the complex compound iron is in +3 oxidation state
In the light of the above statements. Choose the correct answer from the options given below
1) Both A and R are true and R is the correct explanation of A
(2) Both A and R are true but R is NOT the correct explanation of A
(3) A is true but R is false
(4) A is false but R is true

 Ans. (2) Both A and R are true but R is NOT the correct explanation of 

Ques   5. Match the column:

 
 

 

Ques 6. Photochemical smog found mainly in

(1) Industrial area
(3) Hilly area of Himachal
(2) Marshy place
(4) Cold humid climate

    Ans.  (1) Industrial area

Ques 7.

If equilibrium constant is K, then find the degree of dissociation a.

  

Ques 8.  Which of the following has square pyramidal shape:

               

  Ans.  (1)

Ques 10.  Among Ne, F, Cl, Ar which element have highest difference between electron gain enthalpy

(1) Ne-CL
(2) Ne-Ar
(3) Ne-F
(4) F-CL

Ans.  (1)

Ques 11.  The correct set of strong oxidising and reducing agent

   Ans.   (1)

Ques 12. Column-l                            Column-1||

      Ans.   (1)

Ques 13.  Column-l                               Column-II

    Ans.   (1) 

Ques 14.  Which of the following is used for setting of cement

(1) Gypsum
(2) Clay
(3) Lime Stone
(4) Sillica

   Ans.   (1) 

Ques 15.  We are given with the reaction

  Ans.   (4) 

Ques 16.  Which of the reaction correct among the following with appropriate enzyme?

   Ans.   (1)

     

               

   Ans.   (2)

Ques 18.  According to Bohr’s atomic theory:

   Ans.   (4)

Ques 19.  An ideal gas is allowed to expand form 1 L to 10 L against a constant external pressure of 1 bar. The work done in kJ is:

(1) +10.0
(2) -0.9
(3) -2.0
(4) -9.0

   Ans.   (2)

  Sol.  w = (9) x 0.1 = 0.9 kJ

Ques 20.  The number of radial and angular nodes in 4d-orbital are respectively

(1) 1 and 2
(2) 3 and 2
(3) 1 and 0
(4) 2 and 1

 Ans.   (1)

     

Ques 21.  Some amount of urea is added to 1000 gm of H20 due to which the vapour pressure decreases by 25% of the original vapour pressure. Find out the mass of urea added (Round off 2 decimal
places)

 Ans.   1111.11

Ques 22.  Match column-I (Compound) with column-Il final product obtained during their qualitative
analysis)

Ques24. Oxidation state of Mo in Ammonium Phosphomolybdate is: