Adv Topics in Chemistry SLAM 2.3

titanium tetrachloride (TiCl4), catalyst

Of the various Lewis acid halides of titanium, ___ is the most important and is used as a(n) ___ in a variety of organic reactions.

+3, octahedral

The oxidation state of titanium in [Ti(CN)₆]³⁻ is ___ and the compound has a(n) ___ geometry/structure.

paint, sunscreen

Two of the three main applications of TiO₂ as a white pigment are found in ___ and ___ (or plastics).

copper

Monel metal is an alloy of nickel and ___.

cobalt

The other 3d metal that most closely resembles the reactivity of elemental nickel is ___.

8

The compound K₃[NiF₆] has ___ d electrons as part of its electron configuration.

pyrophoric

Elemental Hf and Zr are unreactive as bulk metals but become ___ in finely divided forms.

zirconium (ZrO₂)

The oxide of ___ is used in the ceramics and enamels used in dentistry.

nitric acid (HNO₃), hydrochloric acid (HCl)

Aqua regia is a mixture of ___ and ___.

square planar

The most common geometry for Pt(II) compounds is ___.

oxidizing

In redox chemistry, PtF₆ is a powerful ___ agent.

+2

The oxidation state of platinum in [Pt(NH₃)₄][NO₃]₂ is ___.

rhodium (Rh)

In addition to Pt and Pd, the newer three-way catalytic converters contain ___ metal to control oxides of nitrogen.

Canada, Russia

Two countries from which the US imports most of its nickel are ___ and ___.