Questions
Regarding 13th group elements and their compounds some statements are given below. False statement among the following is
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By Expert Faculty of Sri Chaitanya
a
B–10 is used in Nuclear reactors to absorb neutrons
b
Weight to weight basis aluminium is a better conductor than copper.
c
Orthboric acid on heating to red hot conditions gives metaboric acid
d
Diborane is a potential rocket fuel.
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Correct option is C
3 H3BO3 →1000C HBO2 →1600C H4B2O7 →Red hot B2O3 (4) B2H6 + 3O2 → B2O3 + 3H2O ; ΔH=−1976 kJDue to very high enthalpy of combustion and very high calorific value it is a potential rocket fuel. Thus 1,2 and 4 are true statementsSimilar Questions
Regarding the structure of Al2Cl6 (g) , false statement is
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