Choose the total number of correct reactions.

CHEMISTRY · Multi-part

Problem

Choose the total number of correct reactions. (i) When

\mathrm{CuSO_4}

solution reacts with

\mathrm{NH_3}

, a complex is formed. (ii) When

\mathrm{CuSO_4}

solution reacts with

\mathrm{PH_3}

, a complex is formed. (iii)

\mathrm{C_{12}H_{22}O_{11}\xrightarrow{conc.\ H_2SO_4}2C+11H_2O}

(iv)

\mathrm{NH_3+Cl_2\xrightarrow{excess\ NH_3}NH_4Cl+N_2}

(v)

\mathrm{NH_3+Cl_2\xrightarrow{excess\ Cl_2}NCl_3+HCl}

(vi)

\mathrm{HNO_3+P_4O_{10}\xrightarrow{\Delta}HPO_3+N_2O_5}

(vii)

\mathrm{S+H_2SO_4\xrightarrow{\Delta}SO_2+H_2O}

(viii)

\mathrm{SbF_5+XeF_4\rightarrow[SbF_4][XeF_5]}

(ix)

\mathrm{XeF_4+O_2F_2\rightarrow XeF_6+O_2}