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11th Odisha Board
IMPORTANT
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Borax on heating with cobalt oxide forms a bead of 

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Important Questions on Group-13 Elements

MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 3
The product formed in the reaction, BCl3+H2O→ is
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 4
Which of the following is an ionic trihalide?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 5
In which of the following, +1 oxidation state is stabler than +3?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 6
Boron carbide, BCl4 is widely used in
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 7
One that marks the paper like lead is _____
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 8
Which is used in high temperature thermometry?
MEDIUM
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 9
The two types of bonds present in BH are covalent bond and _____.
EASY
11th Odisha Board
IMPORTANT
Bureau's Higher Secondary Chemistry Volume-1>Chapter 14 - Group-13 Elements>MULTIPLE CHOICE TYPE>Q 10
Borax bead test is responded by