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12th Odisha Board
IMPORTANT
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Which of the following ions combine with Fe II ions to form a brown complex?

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Important Questions on Group 15 Elements : Nitrogen Family

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 5
Which of the following is neutral?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 6
Concentrated HNO3, oxidises phosphorus to
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 7
Which of the following liberates H2 with nitric acid?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 8
Which of the following is the least basic?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 9
Which of the following is most explosive?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 10
In the manufacture of safety match sticks we use
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 11
Which is oxidized in air?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-2>Chapter 7 - Group 15 Elements : Nitrogen Family>QUESTIONS>Q 12
When conc. H2SO4 is added to dry KNO3, brown fumes are evolved. These fumes are