A,B and C are oxides of elements X,Y and Z respectively. X,Y and Z are in the same period of the periodic table. A gives an aqueous solution which turns blue litmus red. B reacts with both strong acids and strong alkalies. C gives an aqueous solution which is strongly alkaline. Which of the following statement is/are true ? (P) All the three elements are metals. (Q) The electronegativites decreases from X to Y to Z. (R) The atomic radius increases in the order `X lt Y lt Z`. (S) X,Y and Z could be phosphorus, aluminium and sodium respectively.A. P,Q,R only correctB. P,R only correctC. Q,S only correctD. Q,R,S only correct

A,B and C are oxides of elements X,Y and Z respectively. X,Y and Z are

1.	A,B and C are oxides of elements X,Y and Z respectively. X,Y and Z are in the same period of the periodic table. A gives an aqueous solution which turns blue litmus red. B reacts with both strong acids and strong alkalies. C gives an aqueous solution which is strongly alkaline. Which of the following statement is/are true ? (P) All the three elements are metals. (Q) The electronegativites decreases from X to Y to Z. (R) The atomic radius increases in the order `X lt Y lt Z`. (S) X,Y and Z could be phosphorus, aluminium and sodium respectively.A. P,Q,R only correctB. P,R only correctC. Q,S only correctD. Q,R,S only correct
Answer» Correct Answer - D `A rarr` acidic oxide, (non-metal) (X) `B rarr` amphoteric oxide (Y) `C rarr` basic oxide (metal) (Z)

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