A compound X has molecular formula `C_3H_6`. One mole of X reacts with one mole of bromine to yield a compound Y. Deduce the structures of X and Y.

Ethane, with the molecular formula C_2 H_6 has:

An aromatic compound ‘A’ of molecular formula C_7H_7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D and E in the following reactions:

A compound Z with molecular formula C_3H_9N reacts with C_6H_5SO_2Cl to give a solid, insoluble in alkali. Identify Z.

One mole of complex compound Co(NH_3)_5Cl_3 give 3 moles of a ions on dissolution in water. One mole of the same complex reacts with two moles of AgNO_3 solution to yield two moles of AgCl(s). The structure of the complex is

An organic compound A with molecular formula C_8H_8O gives positive DNP and iodoform tests. It does not reduce Tollen’s or Fehling’s reagent and does not decolourise bromine water also. On oxidation with chromic acid (H_2CrO_4) , it gives a carboxy acid (B) with molecular formula C_7H_6O_2 . Deduce the structure of A and B.

When a coordination compound CrCl_3. 6H_2O is mixed wih AgNO_3 , 2 moles of AgCl are precipitated per mole of the compound. Write Structural formula of the complex.

When a coordination compound NiCl_2. 6H_2O is mixed with AgNO_3 , 2 moles of AgCl are precipitated per mole of the compound. Write Structural formula of the complex.