Which one of the following elements of group 13 can react with an alkali to give H 2 gas-A- BoronB- AluminiumC- GalliumD- All of these

The correct option is D All of these2B+6NaOH→ 2Na_3BO_3 +3H_2 2Al+2NaOH+6H_2O → 2NaAl(OH)_4 +3H_2 2Ga+2NaOH+6H_2O → 2Na[Ga(OH)_4]+3H_2 ...

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Chemical Properties of Boron Family

Which one of ...

Question

Which one of the following elements of group 13 can react with an alkali to give $H_{2}$ gas?

Boron

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Aluminium

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Gallium

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All of these

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Based on the group valency of elements state the formula for the following giving justification for each:

(i) Oxides of 1st group elements.

(ii) Halides of the elements of group 13.

(iii) Compounds formed when an element of group 2 combines with an element of group 16.

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