Maharashtra HSC Chemistry Answer Key 2025: Check Unofficial Key PDF

Interested students can check the unofficial Maharashtra HSC Chemistry Answer Key 2025 available here.

Mohith Kumar

Updated on -Mar 3, 2025 | 03:24 PM IST

Get the Unofficial Maharashtra HSC Chemistry Answer Key 2025 Here (Image Credits: pexesl.com).

Maharashtra HSC Chemistry Answer Key 2025: The Maharashtra State Board of Secondary and Higher Secondary Education (MSBSHSE) successfully concluded the Maharashtra Class 12 Chemistry Examination 2025, today, February 20, 2025. The Maharashtra HSC Chemistry Question Paper 2025 had a weightage of 70 marks, and the exam was held from 11 AM to 2:10 PM. Students who appeared for the examination can check the unofficial Maharashtra HSC Chemistry Answer Key 2025 available here.

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Maharashtra HSC Chemistry Answer Key 2025

Students can check the Maharashtra HSC Chemistry Answer Key 2025 available in the table below.

Question 1: Schottky defect is NOT observed in _____.
Answer: NiO

Question 2: The freezing point of 0.1 m aqueous solution of Urea, if K _ffor water is 1.86 K kg mol ^-1is _____.
Answer: -0.186 O C

Question 3: The ozone layer is depleted by ____.
Answer: NO ₂

Question 4: When an excess of AgNO ₃is added to a complex, one mole of AgCl is precipitated. The formula of complex is ____.
Answer: [CoCl ₂(NH ₃) ₃] Cl

Question 5: The value of Δn _gfor the oxidation of 4 mole of sulphur dioxide to sulphur trioxide is ____.
Answer: -2

Question 6: One dimensional nanostructure amongst the following is ____.
Answer: Nanorods

Question 7: Which formula correlates the degree of dissociation and concentration of electrolytes?
Answer: α = √Ka/c

Question 8: The highest acidic compound among the following is ____.
Answer: COOH

Question 9: The formula used to calculate the molar conductivity of an electrolyte is _____.
Answer: Δ = 1000k/c

Question 10: Which of the following is a secondary amine?
Answer: Diphenylamine

Question 11: write the reagents used for the reduction of the carbonyl group in Clemmensen reduction
Answer: In Clemmensen's reduction Zn- Hg/ cone HCl is used. C=O+4HZn−Hg+concHCl CH2+H2O This method is used to convert carbonyl compounds into alkanes.

Question 12: IUPAC name of Isoprene
Answer: The IUPAC name of isoprene is 2-methyl-1,3-butadiene. Isoprene is a volatile organic compound with the chemical formula CH2=C(CH3)−CH=CH2.

Question 13: write the names of metal elements in brass alloy
Answer: Brass is an alloy of two metals that are Copper and Zinc . The proportions of these two metals can be changed to achieve varying mechanical and electrical properties.

Maharashtra HSC Chemistry Answer Key 2025: PDF Download

The Maharashtra HSC Chemistry Answer Key 2025 is available here, candidates can check the Unofficial Key PDF below.

Maharashtra HSC 2025 Chemistry Unofficial Answer Key PDF (To be Added Here)

Students of the Maharashtra HSC Board must note that the Maharashtra HSC Chemistry Answer Key 2025 available here is created based on the opinions received by the students and subject experts. Any discrepancies in the unofficial Maharashtra Class 12 Chemistry Answer Key 2025 are deeply regretted. Students must use this answer key only for their reference to evaluate their performance.

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