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In order complete the reaction 1-Pentyneundersetato4-Octyneoversetbtocis-4-Octene, a and b will be (1){:(a,b,),(NaNH_2,CH_3CH_2Br,:H_2,"(one mole )Pd or Ni"):} (2){:(a,b,),(NaNH_2,CH_3CH_2CH_2Br,:H_2,"(two mole )Pd or Ni"):} (3){:(a,b,),(NaNH_2,CH_3CH_2CH_2Br,:H_2,"(one mole )Pd or Ni"):} (4){:(a,b,,),(NaNH_2,CH_3CH_2CH_2Br,:BH_3,H_2O_2,OH^(-)):}

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