Boron cannot form which one of the following anion | Chemistry Questions & Answers

Q:

Which among the following has highest electron affinity?

A) Chlorine	B) Fluorine
C) Helium	D) Xenon

Answer & Explanation Answer: A) Chlorine

Explanation:

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Q:

Which of the following compounds is the strongest acid?

A) p-nitrophenol	B) phenol
C) m-nitrophenol	D) p-cresol

Answer & Explanation Answer: A) p-nitrophenol

Explanation:

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Q:

In general the largest component of bog soils is

A) organic matter	B) water
C) living organisms	D) air

Answer & Explanation Answer: A) organic matter

Explanation:

A Bog soil is an intrazonal group of poorly drained dark peat or muck soils underlain by peat and developed under swamp or marsh types of vegetation.

The largest component of bog soils is organic matter.

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Q:

Who formulated ‘the atomic theory’ of a matter?

A) Avogadro	B) Dalton
C) Newton	D) Pascal

Answer & Explanation Answer: B) Dalton

Explanation:

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Q:

What is the pH value of human blood?

A) 8.3	B) 6.8
C) 7.4	D) 6

Answer & Explanation Answer: C) 7.4

Explanation:

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Q:

What is the relative molecular mass of water?

A) 8 u	B) 9 u
C) 16 u	D) 18 u

Answer & Explanation Answer: D) 18 u

Explanation:

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Q:

Which of the following statement(s) is/are INCORRECT?

I. Alkenes are fairly unreactive.

II. Alkenes burn with blue flame.

III. Alkanes burn with yellow flame.

A) Only I and II	B) Only I and III
C) Only II and III	D) All I, II and III

Answer & Explanation Answer: D) All I, II and III

Explanation:

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Q:

Atomic number is always equal to ______.

A) Number of protons	B) Number of neutrons
C) Number of electrons	D) Sum of protons and neutrons

A) Option 1	B) Option 2
C) Option 3	D) Option 4

Boron cannot form which one of the following anions?

(1) $B O_{2}^{-}$

(2) $B F_{6}^{3 -}$

(3) $B H_{4}^{-}$

(4) $B (O H)_{4}^{-}$

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Boron cannot form which one of the following anions? (1) BO2- (2) BF63- (3) BH4- (4) B(OH)4-

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Boron cannot form which one of the following anions?

(1) $B O_{2}^{-}$

(2) $B F_{6}^{3 -}$

(3) $B H_{4}^{-}$

(4) $B (O H)_{4}^{-}$