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

Q:

Fire extinguishers emit which gas?

A) Carbon monoxide	B) Chlorine
C) Carbon dioxide	D) Nitrogen

Answer & Explanation Answer: C) Carbon dioxide

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Q:

What is the name of the acid in grapes?

A) Lactic acid	B) Formic acid
C) Acetic acid	D) Tartaric acid

Answer & Explanation Answer: D) Tartaric acid

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Q:

Magnesium oxide (MgO) + Water (H2O) = ?

A) [Mg(OH)]	B) [Mg(O2H)2]
C) [Mg2(OH)]	D) [Mg(OH)2]

Answer & Explanation Answer: D) [Mg(OH)2]

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Q:

The oceanic crust mainly consists of silica and __________.

A) magnesium	B) iron
C) manganese	D) sulphur

Answer & Explanation Answer: A) magnesium

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Q:

Manganite is an ore/mineral of

A) Beryllium	B) Chromium
C) Manganese	D) Copper

Answer & Explanation Answer: C) Manganese

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Q:

Cinnabar is an ore/mineral of

A) Lead	B) Manganese
C) Molybdenum	D) Mercury

Answer & Explanation Answer: D) Mercury

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Q:

________ is used for making vinegar.

A) Tartaric acid	B) Malic acid
C) Oxalic acid	D) Acetic acid

Answer & Explanation Answer: D) Acetic acid

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Q:

Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

A) Methyl isocyanate	B) Methyl isochlorate
C) Methyl Phosphate	D) Methyl Isopropate

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