Which One of the Following Is the Correct Formula for Potassium

question 52

Multiple Choice

Which one of the following is the correct formula for potassium diaquatetrachloromolybdate (III) ?

• A) K₃[Mo(H₂O)₂Cl₄]
• B) K₂[Mo(H₂O)₂Cl₄]
• C) K[Mo(H₂O)₂Cl₄]
• D) K[Mo(H₂O)₂Cl₂]Cl₂
• E) Mo[K(H₂O)₂]Cl₄

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Definitions:

#ifdef Directive

In C/C++ programming, it is used to make compilation decisions based on whether a particular identifier has been defined earlier in the code or through command-line flags.

Conditional Compilation

A feature in some programming languages that allows the compiler to include or exclude portions of code based on certain conditions.

#ifndef Condition

A preprocessor directive in C/C++ used to check if a specific identifier is not defined before including or skipping part of the code.

#ifdef !condition

A preprocessor directive used in C/C++ programming to include or exclude code blocks based on whether a condition is not met.