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Aqueous solution of orthoboric acid can be titrated against sodium hydroxide using phenolphthalein indicator only in presence of:

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Important Questions on The p-Block Elements

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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The reaction of H3N3B3Cl3A with LiBH4 in tetrahydrofuran gives inorganic benzene B . Further, the reaction of A with C leads to H3N3B3Me3 . Compounds B and C respectively, are:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Diborane B2H6 reacts independently with O2 and H2O to produce, respectively:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The green colour produced in the borax bead test of a chromium(III) salt is due to -
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The order of acidic strength of boron trihalides
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
AlF3 is soluble in HF only in presence of KF. It is due to the formation of
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
When aqueous solutions of borax is acidified with HCl, we get
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The alloy used in the construction of aircrafts is:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
H3BO3 is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The correct statement(s) for orthoboric acid is/are
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Identify the reaction which does not liberate hydrogen
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
In diborane ____ are present.
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The number of 2-centre-2-electron and 3-centre-2-electron bonds in B2H6, respectively, are:
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
A Lewis acid 'X' reacts with LiAlH4 in ether medium to give a highly toxic gas. This gas when heated with NH3 gives a compound commonly known as inorganic benzene. The gas is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
A mixture of Boron trichloride and hydrogen is subjected to silent electric discharge to form x and HCl. x is mixed with NH3 and heated to 2000C to form y. The formula of y is
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Which of the following represents the structure of inorganic benzene?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Which one of the following is correct with respect to diborane?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Which one among the following statements is correct about a solution of borax in water?
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Among the following, the correct statement(s) is(are)
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
Boric acid is an acid because its molecule
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Chemistry>Inorganic Chemistry>The p-Block Elements>Important Compounds of Group 13 Elements
The crystalline form of borax has