Why is the Z-form of Rhodamine B highly coloured and the L form colourless? Discuss this...

Question

Question

Why is the Z-form of Rhodamine B highly coloured and the L form colourless? Discuss this in terms of the molecular structures.

science chemistry

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

Why would long term predictions be highly variable and less precise. Discuss in the context of...

Why would long term predictions be highly variable and less precise. Discuss in the context of the decision tree.
What mass of precipitate will form if 1.50 L of highly concentrated Pb ( ClO 3...

What mass of precipitate will form if 1.50 L of highly concentrated Pb ( ClO 3 ) 2 is mixed with 0.700 L 0.280 M NaI ? Assume the reaction goes to completion Write the balanced equation for the reaction of aqueous Pb(ClO3), with aqueous Nal. Include phases. chemical equation: Pb(ClO3)2 (aq) + 2 Nal(aq) = Pb),(s) + 2 Na(C103)(aq) What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3), is mixed with 0.700 L 0.280 M...
Q4-B In terms of silicate molecular structures and electrostatic forces, briefly explain why kaolinite clay feels...

Q4-B In terms of silicate molecular structures and electrostatic forces, briefly explain why kaolinite clay feels so slippery when moistened with water. You may also choose to use diagrams to illustrate your answer. [50 marks] Q4-B In terms of silicate molecular structures and electrostatic forces, briefly explain why kaolinite clay feels so slippery when moistened with water. You may also choose to use diagrams to illustrate your answer. [50 marks]

What is the a and b form of both d-altrose and L-altrose drawn in ring structures

What is the a and b form of both d-altrose and L-altrose drawn in ring structures
How much water would you need to form 2.00 L of a 1.00 M solution of...

How much water would you need to form 2.00 L of a 1.00 M solution of NaCl? NaCl has a molecular weight of 57.4 g/mol and a density of 2.16 g/mL. A) 1.89 L B) 1.95 L C) 2.00 L D) 2.05 L Why is the answer B?
, to the rectangular form z = a + ib and b. the polar form z...

, to the rectangular form z = a + ib and b. the polar form z re a. ie Problem 2 (15 pts) Atravelingwave is described by the wave function ψ(x, t) = ea 2-bt2-2x tap b 9 sec-2 where a = 144 crn 2 and a. In which direction is it traveling? Explain b. What is the wave speed? c. Plot (x, t) over the interval 2sxs2 for t-0 and t- 3 sec. Problem 3 (15 ntel

stoichiometry 5. Paris green is a highly toxic emerald green compound with the form 1 the...

stoichiometry 5. Paris green is a highly toxic emerald green compound with the form 1 the formula Cu(C,H,O), 3Cu(ASO),. What is its percent by mass arsenic? 6. A gas that is produced when fruit ripens contains 85.62% C and 14 380 mass. The molecular mass was found to be twice the empirical formula 1 molecular mass. What is the molecular formula of this gas? 7. A hydrocarbon molecule contains twice as many hydrogen atoms as carbon atoms. Its molar mass...
complex numbers son a) Express Z as a complex number in rectangular form. Z = (5...

complex numbers son a) Express Z as a complex number in rectangular form. Z = (5 + 12j).(12 + 5j). e 10 b) Express Z as a complex number in polar form. 2+2+2245° 2=2-2j c) Solve for R and L, where R and L are both real numbers: 200296 + 100Li 102360R
briefly discuss why carboxylic acids exist in the salt form in cells and body fluids.

briefly discuss why carboxylic acids exist in the salt form in cells and body fluids.

Pb(ClO3)2(aq)+2NaI(aq)⟶PbI2(s)+2NaClO3(aq) What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)2 is mixed...

Pb(ClO3)2(aq)+2NaI(aq)⟶PbI2(s)+2NaClO3(aq) What mass of precipitate will form if 1.50 L of highly concentrated Pb(ClO3)2 is mixed with 0.900 L 0.100 M NaI? Assume the reaction goes to completion. mass of precipitate in grams: