Incorrect statement regarding following reactions is-1 Al metal -X-Gas -P-2 Al metal -Y-Gas -Q-

1) Al_ (metal) AlCl_3+H_2 ↑ 2) nbsp;Al_ (metal) Na[Al(OH)_4]+H_2 ↑ ...

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Chemical Properties of Boron Family

Incorrect sta...

Question

Incorrect statement regarding following reactions is:
1) $A l (m e t a l) H C l (a q .) - ---- \to^{'} X^{'} + G a s^{'} P^{'}$
2) $A l (m e t a l) N a O H (a q .) - ------ \to + H_{2} O^{'} Y^{'} + G a s^{'} Q^{'}$

A l

shows amphoteric character

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Gases 'P' and 'Q' are different

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Both 'X' and 'Y' are water soluble

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Gas 'Q' is inflammable

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A l (m e t a l) H C l (a q .) - ---- \to^{'} X^{'} + G a s^{'} P^{'}

A l (m e t a l) N a O H (a q .) - ------ \to + H_{2} O^{'} Y^{'} + G a s^{'} Q^{'}

When NaOH reacts with Aluminium metal, following reaction occurs:

$N a O H + A l \to N a [A l (O H)_{4}] + Y$

If Y is a gas, identify it.

H_{2}

When NaOH reacts with aluminium metal,the following reaction happens:

$N a O H + A l + H_{2} O \to N a A l O_{2} + Y$

If Y is a gas, identify it.

Which of the following is the correct decreasing order of atomic radius for following elements?
B, Al, Ga, In

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