d and f BLOCK ELEMENTS MCQ Quiz: GKFix - Bridge of Knowledge - Page 308

Question 1536

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Which element in the 3d series exhibits the largest number of oxidation states?

Scandium
Titanium
Manganese
Zinc

Question 1537

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Which element is listed in Table 4.3 as having the +7 oxidation state?

Manganese (Mn)
Chromium (Cr)
Vanadium (V)
Iron (Fe)

Question 1538

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What does the phrase 'The loss of exchange energy increases the stability' imply according to the text?

It implies that configurations with high exchange energy are more stable
It implies that losing electrons always increases stability
It implies that exchange energy is detrimental to stability
It implies that all configurations have equal stability

Question 1539

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What is stated about the exchange energy at the d6 configuration in the text?

There is no loss of exchange energy at d6 configuration
There is maximum loss of exchange energy at d6 configuration
There is minimum loss of exchange energy at d6 configuration
The d6 configuration is the most stable

Question 1540

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What effect does an increase in stability (due to exchange energy) have on the ionisation process according to the text?

As the stability increases, the ionisation becomes more difficult
As the stability increases, the ionisation becomes easier
Stability has no effect on ionisation
Ionisation always decreases stability