Arrange the following in decreasing order of this pk, ch,-ch-cooh ch-ch,cooh () (i) nr no ch-ch-cooh ch-ch-cooh (iv) (ii) ch, cn (v) hcooh oroncina order nf the

Arrange the following in decreasing order of this pk, CH,-CH-COOH CH-CH,CoOH () (i) NR NO CH-CH-COOH CH-CH-coOH (iv) (ii) CH, CN (v) HCOOH oroncina order nf their nk