Answer pls both questions fast.... Answer should not be wrong because tomorrow is my chemistry exam... Pls

(iii) An ionic compound is made up of 'P' cations and 'Q' anions. P cations are present at alternate corners and Q anion is present on the body of the diagonal. The formula of the ionic compound is:
(1) PQ2
(2) P2Q
(3) PQ
(4) P4Q.

(iv) The freezing point of equimolal aqueous solution will be highest for:
(1) NaCl
(2) Ba(NO3)2
(3) C6H12O6
(4) K3PO4.

Dear student,

(iv)

The correct option is (3)

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