Question

Write the formula of the following Diammine dichloro platinum (II).

Answer 1

Hint: Diammine dichloro platinum (II) is a neutral complex with the square planar geometry. It can exist in two forms namely cis-diammine dichloro platinum (II) called as cisplatin and trans-diammine dichloro platinum (II) complex called as transplatin.

Complete step by step answer:
The complex is a neutral complex because Pt will contribute 2+ to the complex, $Cl$ will contribute 2- charge and \[N{H_3}\] will contribute 0 charge. Hence, the complex is a neutral complex.
In this Diammine dichloro platinum (II) complex, Platinum will be the central metal atom. It has four ligands surrounding it, namely two Cl atoms and two \[N{H_3}\] groups. Therefore, it will be having a square planar geometry. This complex can exist in two forms i.e. cis-isomer and trans-isomer.
cis-isomer is having the name cis-diammine dichloro platinum (II), which is also known as cisplatin and trans-isomer is having the name trans-diammine dichloro platinum (II), which is also known as transplatin.

Therefore, Formula for the Diammine dichloro platinum (II) complex is \[[Pt{(N{H_3})_2}C{l_2}]\].

Additional information:
Structure of Diammine dichloro platinum (II) is given below:

- When two Chlorine atoms are adjacent to one another in the Diammine dichloro platinum complex, it is called Cisplatin.
- When the two Chlorine atoms are opposite to one another in the Diammine dichloro platinum complex, it is called Transplatin.

Note: - Cis isomer of Diammine dichloro platinum (II) complex is having major importance compared to trans isomer.
- Cisplatin can be used as a medication to treat various cancers such as Bladder cancer, testicular cancer, breast cancer, ovarian cancer, etc.
- Use of cisplatin can also cause various side effects such as kidney problems, hearing impairments, bone-marrow suppression, heart problems.
- It can also be used in Auger therapy.