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Which of the below statements is/are not correct regarding chlorophyll a molecule?
(i) Molecule formula of chl a is C55H72O5N4Mg
(ii) It is the primary photosynthetic pigment.
(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.
(iv) It is a soluble in water as well as petroleum ether.
(ii) It is the primary photosynthetic pigment.
(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.
(iv) It is a soluble in water as well as petroleum ether.
- a)(i) and (iii)
- b)(iii) and (iv)
- c)(ii) only
- d)(iv) only
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Which of the below statements is/are not correct regarding chlorophyll...
Chlorophyll a is the primary photosynthetic pigment, which is bluish green in the pure state. It has an empirical formula C55H72O5N4 Mgand molecular weight of 893. It absorbs more red wavelength of light than violet blue . It is soluble in a number of organic solvents such as petroleum ether.
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Community Answer
Which of the below statements is/are not correct regarding chlorophyll...
The correct answer is option B - (iii) and (iv) are not correct statements regarding chlorophyll a molecule.
Explanation:
(i) Molecule formula of chlorophyll a is C55H72O5N4Mg: This statement is correct. Chlorophyll a is a complex molecule composed of carbon, hydrogen, oxygen, nitrogen, and magnesium. The chemical formula C55H72O5N4Mg represents the molecular composition of chlorophyll a.
(ii) It is the primary photosynthetic pigment: This statement is correct. Chlorophyll a is the primary photosynthetic pigment found in plants, algae, and cyanobacteria. It plays a crucial role in capturing light energy during photosynthesis.
(iii) In the pure state, it is red in color and thus it absorbs more blue wavelength of light than the red wavelength: This statement is incorrect. Chlorophyll a is actually green in color, not red. It absorbs light most efficiently in the blue and red regions of the electromagnetic spectrum while reflecting green light, giving plants their characteristic green color.
(iv) It is soluble in water as well as petroleum ether: This statement is incorrect. Chlorophyll a is insoluble in water and petroleum ether. It is a hydrophobic molecule, meaning it does not dissolve in water. Instead, it is soluble in organic solvents such as acetone and ethanol.
In conclusion, option B is the correct answer because statement (iii) and statement (iv) are not correct regarding chlorophyll a molecule.
Explanation:
(i) Molecule formula of chlorophyll a is C55H72O5N4Mg: This statement is correct. Chlorophyll a is a complex molecule composed of carbon, hydrogen, oxygen, nitrogen, and magnesium. The chemical formula C55H72O5N4Mg represents the molecular composition of chlorophyll a.
(ii) It is the primary photosynthetic pigment: This statement is correct. Chlorophyll a is the primary photosynthetic pigment found in plants, algae, and cyanobacteria. It plays a crucial role in capturing light energy during photosynthesis.
(iii) In the pure state, it is red in color and thus it absorbs more blue wavelength of light than the red wavelength: This statement is incorrect. Chlorophyll a is actually green in color, not red. It absorbs light most efficiently in the blue and red regions of the electromagnetic spectrum while reflecting green light, giving plants their characteristic green color.
(iv) It is soluble in water as well as petroleum ether: This statement is incorrect. Chlorophyll a is insoluble in water and petroleum ether. It is a hydrophobic molecule, meaning it does not dissolve in water. Instead, it is soluble in organic solvents such as acetone and ethanol.
In conclusion, option B is the correct answer because statement (iii) and statement (iv) are not correct regarding chlorophyll a molecule.
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Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer?.
Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Which of the below statements is/are not correct regarding chlorophyll amolecule?(i) Molecule formula of chl a isC55H72O5N4Mg(ii) It is the primary photosynthetic pigment.(iii) In the pure state, it is red in colour and thus it absorbs more blue wavelength of light than the red wavelength.(iv) It is a soluble in water as well as petroleum ether.a)(i) and (iii)b)(iii) and (iv)c)(ii) onlyd)(iv) onlyCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET.
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