Question

1 ] PCl s 5 2 ( ) + X Y H O( )l H $ 3 4 PO aq ( ) +ZHCl a( ) q . The value of X Y, and Z are:
(a) X -4, Y -3, Z -3
(b) X -4, Y -1, Z -5
(c) X -1, Y -2, Z -3
(d) X -5, Y -1, Z -2

Answer 1

Answer:

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Answer 2

The correct option is b.

• Here in the reaction phosphorus pentachloride reacts with water to form phosphoric acid along with hydrochloric acid.
• The balanced reaction is-
• $PCl_5+4H_2O\rightarrow H_3PO_4+5HCl$.
• Thus one mole of phosphorus pentachloride reacts with four moles of water to form one mole of phosphoric acid along with five moles of hydrochloric acid.
• The coefficients X,Y,Z are respectively 4,1,5.