C) A student suggested five indicators that might be used in this titration: thymol blue
methyl orange
bromophenol blue bromocresol green phenolphthalein
How many of these indicators would be suitable? Use your Data Booklet.

A- 5
B- 4
C- 3
D- 2

Can someone please help me with all those 3 parts?

Change in speed or direction : )

Ch4 and ph3 are both covalent since they are composed both of non-metals.    ch4 is non- polar because of  london forces and has a geometry of tetrahedral  ph3 , on the other hand, is umbrella shaped polar and has dipole-dipole intermolecular force (imf) . since ph3 is polar, it has a stronger imf   

Idon't hope someone you