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TextBook Solutions for Punjab School Education Board Class 12 Chemistry Chemistry I Chapter 7 The P-Block Elements

Question 1

Why are pentahalides more covalent than trihalides?

Solution

Higher the positive oxidation state of central atom, more will be its ploarising power which, in turn, increases the covalent character of bond formed between in central atom and the other atom.

Question 2

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Why is BiH₃ the strongest reducing agent amongst all the hydrides of Group 15 elements?

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Question 3

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Why is N₂ less reactive at room temperature?

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Question 4

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Mention the conditions required to maximise the yield of ammonia.

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Question 5

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How does ammonia react with a solution of Cu²⁺?

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Question 6

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What is the covalency of nitrogen in N₂O₅?

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Question 7

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Bond angle in PH₄⁺ is higher than that in PH₃. Why?

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Question 8

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What happens white phosphorus is heated with NaOH solution in an inert atmosphere of CO₂?

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Question 9

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What happens when PCl₅ is heated?

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Question 10

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Write a balanced equation for the hydrolytic reactions PCl₅ in heavy water.

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TextBook Solutions for Punjab School Education Board Class 12 Chemistry Chemistry I Chapter 7 The P-Block Elements

Why are pentahalides more covalent than trihalides?

Why is BiH₃ the strongest reducing agent amongst all the hydrides of Group 15 elements?

Why is N₂ less reactive at room temperature?

Mention the conditions required to maximise the yield of ammonia.

How does ammonia react with a solution of Cu²⁺?

What is the covalency of nitrogen in N₂O₅?

Bond angle in PH₄⁺ is higher than that in PH₃. Why?

What happens white phosphorus is heated with NaOH solution in an inert atmosphere of CO₂?

What happens when PCl₅ is heated?

Write a balanced equation for the hydrolytic reactions PCl₅ in heavy water.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

For Daily Free Study Material Join wiredfaculty

WhatsApp Group

Download Android App

Ncert Book Download

TextBook Solutions for Punjab School Education Board Class 12 Chemistry Chemistry I Chapter 7 The P-Block Elements

Why are pentahalides more covalent than trihalides?

Why is BiH3 the strongest reducing agent amongst all the hydrides of Group 15 elements?

Why is N2 less reactive at room temperature?

Mention the conditions required to maximise the yield of ammonia.

How does ammonia react with a solution of Cu2+?

What is the covalency of nitrogen in N2O5?

Bond angle in PH4+ is higher than that in PH3. Why?

What happens white phosphorus is heated with NaOH solution in an inert atmosphere of CO2?

What happens when PCl5 is heated?

Write a balanced equation for the hydrolytic reactions PCl5 in heavy water.

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation

Why is BiH₃ the strongest reducing agent amongst all the hydrides of Group 15 elements?

Why is N₂ less reactive at room temperature?

How does ammonia react with a solution of Cu²⁺?

What is the covalency of nitrogen in N₂O₅?

Bond angle in PH₄⁺ is higher than that in PH₃. Why?

What happens white phosphorus is heated with NaOH solution in an inert atmosphere of CO₂?

What happens when PCl₅ is heated?

Write a balanced equation for the hydrolytic reactions PCl₅ in heavy water.