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

Q:

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

A) Phosphorus reacts vigorously with water	B) It is a non-metal
C) It catches fire on reacting with air	D) It is found in group 15 of the modern periodic table

Answer & Explanation Answer: A) Phosphorus reacts vigorously with water

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Q:

The passage of an electric current through a conducting liquid causes ___________.

A) Galvanisation	B) Evaporation
C) Physical Reaction	D) Chemical Reaction

Answer & Explanation Answer: D) Chemical Reaction

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Q:

___________ is obtained by evaporation of sea.

A) Sugar	B) Iron
C) Salt	D) Steel

Answer & Explanation Answer: C) Salt

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Q:

Which among the following difference between aerobic and anaerobic respiration is INCORRECT?

A) Aerobic respiration takes place in presence of oxygen – Anaerobic respiration takes place in the absence of oxygen	B) In Aerobic respiration pyruvate is broken down into ethanol and carbon dioxide – In Anaerobic respiration pyruvate is broken down into carbon dioxide and water
C) In Aerobic respiration more energy is released – In Anaerobic respiration less energy is released	D) Aerobic respiration takes place in mitochondria– Anaerobic respiration takes place in yeast

Answer & Explanation Answer: B) In Aerobic respiration pyruvate is broken down into ethanol and carbon dioxide – In Anaerobic respiration pyruvate is broken down into carbon dioxide and water

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Q:

Which of the following statement is INCORRECT regarding Sodium?

A) Sodium reacts vigorously with oxygen and water	B) A lot of heat is generated when sodium reacts with water and oxygen
C) It is stored in kerosene	D) It is a non-metal

Answer & Explanation Answer: D) It is a non-metal

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Q:

Which of the following statement is CORRECT?

A) Gold and Silver are not ductile.	B) Phophorus and Nitrogen are ductile.
C) Copper and Platinum are ductile.	D) Sulphur and Phophorus are sonorous

Answer & Explanation Answer: C) Copper and Platinum are ductile.

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Q:

The process of depositing a layer of zinc on iron is called ___________

A) Galvanisation	B) Crystallisation
C) Rusting	D) Baking

Answer & Explanation Answer: A) Galvanisation

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Q:

A change in which a substance undergoes a change in its physical properties is called _____________.

A) Chemical Properties	B) Physical Properties
C) Chemical Change	D) Physical Change

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