Question

1.The [CoCl4]2- anion is intensely  blue colored and [CoCl6]4- is a lightly colored pink. explain breifly 

 

2.Why is the method of descending symmetry needed to derive an mo diagram for acetylene (ethyne), but not needed for diazene((NH)2)?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: A sample of ammonia Nh3 contains 1.2 X 1023 hydrogen atoms. How many NH3 molecules are in the sample...

A: Ammonia (NH3) is a molecule that exists as a gas at Standard temperature (298 K). It contains atoms ...

Q: 4. Which of the following compounds would be expected to have the lowest melting point? a. AIF3 b. R...

A: Ionic compounds with higher charges have higher melting point due to strong intermolecular forces an...

Q: The equilibrium constant for a system at chemical equilibrium at 318 oC is 3.4 x 10-3.  Calculate th...

A: The standard free energy change for the system is given by the expression given in the equation (1) ...

Q: provide an example of how to calculate empirical formula and then how to find molecular formula from...

A: In the determination of molecular formula, first step is the determination of its empirical formula.

Q: If the caffeine concentration in a particular brand of soda is 2.91 mg/oz,2.91 mg/oz, drinking how m...

A: The caffeine concentration in the soda is 2.91 mg/oz. A single can has 12 oz.The amount of caffeine ...

Q: Choose the answer that has the appropriate acid and base that would make this neutralization reactio...

A: Given information,

Q: The energy change, q, for a system is given by the formula q=m * C * change T. C is the specific hea...

A: The change in energy of a system is given by,

Q: Table 5.5 (data)ObservationsSample Tested Add HCISolid CaCO 3 _______Solid CuSo 4 _______Mixture ___...

A: The reactions of CaCO3 and CaSO4 with HCl are,

Q: For the reaction2N2(g) + O2(g)2N2O(g)H° = 164.2 kJ and S° = -148.5 J/KThe equilibrium constant for t...

A: The equilibrium constant can be calculated as per the following equation,