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

Q:

A bond formed by the transfer of electrons betwwen atoms of the elements is called

A) ionic bond	B) covalent bond
C) co ordinate bond	D) none

Answer & Explanation Answer: A) ionic bond

Explanation:

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Q:

Formation of anions occurs by

A) loss of neutrons	B) gain of protons
C) gain of electrons	D) none

Answer & Explanation Answer: C) gain of electrons

Explanation:

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Q:

Formation of cation occurs by

A) gain of electron	B) loss of electron
C) gain of proton	D) loss of proton

Answer & Explanation Answer: B) loss of electron

Explanation:

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Q:

A particle which is four times in mass and two times in charge that of proton is

A) helium atom	B) an alpha particle
C) deuteron	D) tritium

Answer & Explanation Answer: B) an alpha particle

Explanation:

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Q:

A Radioactive subatance emits

A) alpha particles	B) beta particle
C) gamma particle	D) all of the three

Answer & Explanation Answer: D) all of the three

Explanation:

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Q:

The alpha-particles are

A) high energy electrons	B) positively charged hydrogen irons
C) high energy x ray radiations	D) double positively charged helium nuclei

Answer & Explanation Answer: D) double positively charged helium nuclei

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Q:

The activity of rradioisotope change with

A) temperature	B) pressure
C) chemical environment	D) None of these

Answer & Explanation Answer: D) None of these

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Q:

Natural radioactivity was discovered by

A) Rutherford	B) Becquerel
C) Curie	D) Schmidt

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