D and F Block Elements-Transition Elements [NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Chemistry]: Questions 44 - 50 of 104

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Question 44

Appeared in Year: 2014

Question MCQ▾

The correct statement (s) regarding the binary transition metal carbonyl compound is (are) Atomic numbers (CSIR December)

Choices

Choice (4)Response

a.

Metal-carbon bond strengthens when the oxidation state of the metal is lowered.

b.

These are predominantly low spin in nature

c.

The carbonyl bond weakens when the oxidation state of the metal is increased.

d.

Both a. and b. are correct

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Question 45

Question MCQ▾

Which element gives maximum balanced oxide?

Choices

Choice (4)Response

a.

b.

V

c.

d.

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Question 46

Question MCQ▾

Which forms interstitial compounds?

Choices

Choice (4)Response

a.

b.

c.

d.

All a., b. and c. are correct

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Question 47

Question MCQ▾

Which of the following ions is paramagnetic?

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 48

Question MCQ▾

Nessler՚s reagent is used to detect?

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 49

Question MCQ▾

Which of the following element has maximum first ionization potential?

Choices

Choice (4)Response

a.

b.

c.

d.

V

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Question 50

Question MCQ▾

Which one of the following statements are not correct?

Choices

Choice (4)Response

a.

On boiling a solution having , and ions we get a precipitate of

b.

Manganese salts give violet on borax bead test in the reducing flame.

c.

From a mixed precipitate of and ammonia solution dissolves only .

d.

Ferric ions give a deep green precipitate on adding potassium ferrocyanide solution.

Edit