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

Q:

Which of the following solutions is alkaline?

A) H+ <1 × 10-7 Mol/l	B) H+ = 1 × 10-4 Mol/l
C) H+ = 1 × 10-7 Mol/l	D) H+ > 1 × 10-7 Mol/l

Answer & Explanation Answer: A) H+ <1 × 10-7 Mol/l

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Q:

Which one of the following is commonly used as an indicator to measure the exact pH?

A) Eosin	B) Phenolphthalein
C) Universal indicator	D) Litmus

Answer & Explanation Answer: C) Universal indicator

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Q:

Which of the following classifications is based on atomic numbers?

A) Mendeleev's Periodic Table	B) Modern Periodic Table
C) Newlands Law of Octaves	D) Dobereiner's Law of Triads

Answer & Explanation Answer: B) Modern Periodic Table

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Q:

What is the atomicity of Phosphorous?

A) Di-atomic	B) Poly-atomic
C) Tetra-atomic	D) Mono-atomic

Answer & Explanation Answer: C) Tetra-atomic

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Q:

Aluminium oxide is ___ in nature.

A) amphoteric	B) acidic
C) neutral	D) basic

Answer & Explanation Answer: A) amphoteric

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Q:

The process of transferring of charge from a charged object to the earth is called ______________.

A) neutralisation	B) negation
C) terraforming	D) earthing

Answer & Explanation Answer: D) earthing

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Q:

Generally covalently bonded molecules ______.

I. have high boiling and melting point as compare to ionically bonded molecules

II. poor conductors of electricity

III. have weak intermolecular force

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

Answer & Explanation Answer: C) Only II and III

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Q:

Match the following items of column A with column B.

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

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