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

Q:

Which among the following is false about acids?

A) They give H+ ions in aqueous solution	B) Most acids contain hydrogen
C) They turn blue litmus red	D) They are bad conductor of electricity in aqueous solution

Answer & Explanation Answer: D) They are bad conductor of electricity in aqueous solution

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Q:

Binomial Nomenclature was founded by

A) Charles Darwin	B) Robert Nucleus
C) Carl Linnaeus	D) Lamarck

Answer & Explanation Answer: C) Carl Linnaeus

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Q:

Atomic number of which of the following elements is greater than that of Calcium?

A) Chlorine	B) Argon
C) Sulphur	D) Scandium

Answer & Explanation Answer: D) Scandium

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Q:

According to Dalton’s Atomic Theory, the smallest indivisible particles of matter is called ______.

A) molecule	B) atom
C) compound	D) element

Answer & Explanation Answer: B) atom

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Q:

Metals are generally ______.

I. Ductile

II. Malleable

III. Poor conductors of heat

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

Answer & Explanation Answer: A) Only I and II

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Q:

Which of the following is a greenhouse gas or a gas which can deplete the ozone layer?

A) BBr3	B) NH3
C) CH2N2	D) CCl2F2

Answer & Explanation Answer: D) CCl2F2

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Q:

Which of the following elements has the lowest melting point?

A) Zinc	B) Titanium
C) Sulphur	D) Fluorine

Answer & Explanation Answer: D) Fluorine

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Q:

The modern periodic table consists of 18 groups and 7 periods. What is the atomic number of the element placed in the 2nd group and the 4th period?

A) 20	B) 22
C) 18	D) 10

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