Boron and its Compounds
CHXI11:THE P-BLOCK ELEMENTS

316095 The bonds present in borazole (B3N3H6) are

1 9σ,6π
2 12σ,3π
3 6σ,9π
4 9σ, only
CHXI11:THE P-BLOCK ELEMENTS

316096 A mixture of boric acid with ethyl alcohol burns with green edged flame due to the formation of

1 Ethyl borax
2 Ethyl borate
3 Methyl borax
4 Methyl borate
CHXI11:THE P-BLOCK ELEMENTS

316097 Assertion :
Boric acid is a tribasic acid
Reason :
Boric acid contains three hydroxyl groups.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXI11:THE P-BLOCK ELEMENTS

316098 The final product obtained when boric acid is heated to red heat is

1 Metaboric acid
2 Tetraboric acid
3 Boron oxide (B2O3)
4 Pyroboric acid
CHXI11:THE P-BLOCK ELEMENTS

316099 Which of the following statements regarding boric acid is false?

1 It acts as a tribasic acid
2 It has a planar structure
3 It acts as a monobasic acid
4 It is soluble in hot water
CHXI11:THE P-BLOCK ELEMENTS

316095 The bonds present in borazole (B3N3H6) are

1 9σ,6π
2 12σ,3π
3 6σ,9π
4 9σ, only
CHXI11:THE P-BLOCK ELEMENTS

316096 A mixture of boric acid with ethyl alcohol burns with green edged flame due to the formation of

1 Ethyl borax
2 Ethyl borate
3 Methyl borax
4 Methyl borate
CHXI11:THE P-BLOCK ELEMENTS

316097 Assertion :
Boric acid is a tribasic acid
Reason :
Boric acid contains three hydroxyl groups.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXI11:THE P-BLOCK ELEMENTS

316098 The final product obtained when boric acid is heated to red heat is

1 Metaboric acid
2 Tetraboric acid
3 Boron oxide (B2O3)
4 Pyroboric acid
CHXI11:THE P-BLOCK ELEMENTS

316099 Which of the following statements regarding boric acid is false?

1 It acts as a tribasic acid
2 It has a planar structure
3 It acts as a monobasic acid
4 It is soluble in hot water
CHXI11:THE P-BLOCK ELEMENTS

316095 The bonds present in borazole (B3N3H6) are

1 9σ,6π
2 12σ,3π
3 6σ,9π
4 9σ, only
CHXI11:THE P-BLOCK ELEMENTS

316096 A mixture of boric acid with ethyl alcohol burns with green edged flame due to the formation of

1 Ethyl borax
2 Ethyl borate
3 Methyl borax
4 Methyl borate
CHXI11:THE P-BLOCK ELEMENTS

316097 Assertion :
Boric acid is a tribasic acid
Reason :
Boric acid contains three hydroxyl groups.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXI11:THE P-BLOCK ELEMENTS

316098 The final product obtained when boric acid is heated to red heat is

1 Metaboric acid
2 Tetraboric acid
3 Boron oxide (B2O3)
4 Pyroboric acid
CHXI11:THE P-BLOCK ELEMENTS

316099 Which of the following statements regarding boric acid is false?

1 It acts as a tribasic acid
2 It has a planar structure
3 It acts as a monobasic acid
4 It is soluble in hot water
CHXI11:THE P-BLOCK ELEMENTS

316095 The bonds present in borazole (B3N3H6) are

1 9σ,6π
2 12σ,3π
3 6σ,9π
4 9σ, only
CHXI11:THE P-BLOCK ELEMENTS

316096 A mixture of boric acid with ethyl alcohol burns with green edged flame due to the formation of

1 Ethyl borax
2 Ethyl borate
3 Methyl borax
4 Methyl borate
CHXI11:THE P-BLOCK ELEMENTS

316097 Assertion :
Boric acid is a tribasic acid
Reason :
Boric acid contains three hydroxyl groups.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXI11:THE P-BLOCK ELEMENTS

316098 The final product obtained when boric acid is heated to red heat is

1 Metaboric acid
2 Tetraboric acid
3 Boron oxide (B2O3)
4 Pyroboric acid
CHXI11:THE P-BLOCK ELEMENTS

316099 Which of the following statements regarding boric acid is false?

1 It acts as a tribasic acid
2 It has a planar structure
3 It acts as a monobasic acid
4 It is soluble in hot water
CHXI11:THE P-BLOCK ELEMENTS

316095 The bonds present in borazole (B3N3H6) are

1 9σ,6π
2 12σ,3π
3 6σ,9π
4 9σ, only
CHXI11:THE P-BLOCK ELEMENTS

316096 A mixture of boric acid with ethyl alcohol burns with green edged flame due to the formation of

1 Ethyl borax
2 Ethyl borate
3 Methyl borax
4 Methyl borate
CHXI11:THE P-BLOCK ELEMENTS

316097 Assertion :
Boric acid is a tribasic acid
Reason :
Boric acid contains three hydroxyl groups.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
CHXI11:THE P-BLOCK ELEMENTS

316098 The final product obtained when boric acid is heated to red heat is

1 Metaboric acid
2 Tetraboric acid
3 Boron oxide (B2O3)
4 Pyroboric acid
CHXI11:THE P-BLOCK ELEMENTS

316099 Which of the following statements regarding boric acid is false?

1 It acts as a tribasic acid
2 It has a planar structure
3 It acts as a monobasic acid
4 It is soluble in hot water