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

Q:

Match the following items.

A) I – 2, II – 3, III – 4, IV – 1	B) I – 2, II – 3, III – 1, IV – 4
C) I – 3, II – 2, III – 1, IV – 4	D) I – 2, II – 1, III – 3, IV – 4

Answer & Explanation Answer: A) I – 2, II – 3, III – 4, IV – 1

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Q:

Which process forms exfoliation domes?

A) biological activity	B) frost wedging
C) unloading	D) reactions with oxygen

Answer & Explanation Answer: D) reactions with oxygen

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Q:

In which of the following solution the concentration of H+ ion is the maximum?

A) pH 6	B) pH 8
C) pH 5	D) pH 9

Answer & Explanation Answer: C) pH 5

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Q:

What is the weight of one mole Carbon atoms?

A) 12 gm	B) 120 gm
C) 1.2 gm	D) 0.12 gm

Answer & Explanation Answer: A) 12 gm

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Q:

Which of the following is NOT correctly matched?

A) Sandstone - conglomerate	B) Limestone - Marble
C) Granite - Basalt	D) Gabbro - Serpentine

Answer & Explanation Answer: A) Sandstone - conglomerate

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Q:

All phosphorus atoms have the same

A) Mass number	B) Number of neutrons plus the number of electrons
C) Atomic number	D) Number of neutrons plus the number of protons

Answer & Explanation Answer: C) Atomic number

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Q:

Baking soda is used ______.

I. for making baking powder

II. in soda-acid fire extinguishers

III. to neutralize excess acid in the stomach

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

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Q:

Which of the following is NOT a nucleon?

A) Proton	B) Electron
C) Neutron	D) No option is correct

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