Some non-metals when treated with N aOH disproportionate- They may be-i P 4ii S8iii Cl 2A- Both i and iiB- Only iiC- i- ii and iiiD- ii and iii

The correct option is C (i), (ii) and (iii) 12NaOH+ S_8→ 4Na_2S+2Na_2S_2O_3+6H_2O 3NaOH+ P_4+3H_2O→ 3NaH_2PO_2+PH_3 2NaOH(cold,dil.) + Cl_2→ NaCl+NaClO+H_2O 6N ...

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Byju's Answer

Standard XII

Chemistry

Physical and Chemical Properties of Hydrogen

Some non-meta...

Question

Some non-metals when treated with $N a O H$ disproportionate. They may be:
(i) $P_{4}$
(ii) $S_{8}$
(iii) $C l_{2}$

Both (i) and (ii)

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Only (ii)

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(ii) and (iii)

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(i), (ii) and (iii)

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Solution

The correct option is D
(i), (ii) and (iii)

$12 N a O H + S_{8} \to 4 N a_{2} S + 2 N a_{2} S_{2} O_{3} + 6 H_{2} O$
$3 N a O H + P_{4} + 3 H_{2} O \to 3 N a H_{2} P O_{2} + P H_{3}$
$2 N a O H (c o l d, d i l .) + C l_{2} \to N a C l + N a C l O + H_{2} O$
$6 N a O H (h o t, c o n c .) + 3 C l_{2} \to 5 N a C l + N a C l O_{3} + 3 H_{2} O$

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Some non-metals when treated with NaOH disproportionate. They may be: (i) P4 (ii) S8 (iii) Cl2

The correct option is D (i), (ii) and (iii) 12NaOH+S8→4Na2S+2Na2S2O3+6H2O 3NaOH+P4+3H2O→3NaH2PO2+PH3 2NaOH(cold,dil.)+Cl2→NaCl+NaClO+H2O 6NaOH(hot,conc.)+3Cl2→5NaCl+NaClO3+3H2O

Some non-metals when treated with $N a O H$ disproportionate. They may be:
(i) $P_{4}$
(ii) $S_{8}$
(iii) $C l_{2}$