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Boron Family



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Q1. The compounds formed by the Boron family are __________

(a) ionic
(b) covalent
(c) both ionic and covalent
(d) neither ionic nor covalent

Q2. Complex formation is more likely to be possible in __________

(a) alkali metals
(b) alkaline earth metals
(c) boron family
(d) equally likely

Q3. Which of the following is true regarding reducing character?

(a) Gallium < aluminium > indium > thallium
(b) Aluminium > gallium > indium > thallium
(c) Aluminium > gallium < indium > thallium
(d) Gallium > aluminium > indium > thallium

Q4. Which of the following element exhibits + 3 Oxidation State only?

(a) Gallium
(b) Thallium
(c) Indium
(d) Aluminium

Q5. Inert pair affect __________ down the group.

(a) Increases
(b) Decreases
(c) Constant
(d) Is a regular

Q6. The ionization enthalpy _________ down the group in the family.

(a) Increases
(b) Decreases
(c) Constant
(d) Is a regular

Q7. Gallium remains liquid up to __________ Kelvin.

(a) 2176
(b) 2376
(c) 2476
(d) 2276

Q8. The atomic radius of gallium is greater than that of aluminum.

(a) True
(b) False
(c) Both acidolysis and aldehyde
(d) None of the mentioned

Q9. Which of the following group?s elements have smaller atomic radii?

(a) Group 1 elements
(b) Group 2 elements
(c) Group 13 elements
(d) All have the same atomic radii

Q10. Are group 13 elements a part of p block elements?

(a) Yes
(b) No
(c) Only a few
(d) Only one


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0 Answer
464 views

The Most Electropositive Element In Alkali Metals, Is

Modified 7 Year Ago

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7 Year Ago

The Most Electropositive Element In Alkali Metals, Is

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462 views

Reaction Of PCl3 And PhMgBr Would Give

Modified 3 Year Ago

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3 Year Ago

Reaction Of PCl3 And PhMgBr Would Give

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0 Answer
450 views

Zinc And Cold Dil.HNO3 Reacts To Produce

Modified 3 Year Ago

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3 Year Ago

Zinc And Cold Dil.HNO3 Reacts To Produce

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0 Answer
450 views

Master’s In Communication Program

Modified 286 Year Ago Rohandavid

450
Rohandavid
286 Year Ago

Master’s In Communication Program

0 votes
0 Answer
386 views

Hydrogen Can Be Prepared By The Action Of Dil.

Modified 238 Year Ago

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238 Year Ago

Hydrogen Can Be Prepared By The Action Of Dil.

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0 Answer
384 views

Which Statement Is Not True About Potash Alum?

Modified 311 Year Ago

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311 Year Ago

Which Statement Is Not True About Potash Alum?

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