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Match List –I with List-II List-I List-II (a) Lassaigne’s test (i) Carbon (b) Cu(II) oxide (ii) Sulphur (c) Silver nitrate (iii) N,S,P and halogen (d) The sodium fusion extract (iv) Halogen specifically gives black precipitate with acetic acid and lead acetate The correct match is:

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a

a→iii;b→i;c→iv,d→ii

b

a→i;b→iv;c→iii,d→ii

c

a→i;b→ii;c→iv,d→iii

d

a→iii;b→i;c→ii,d→iv

answer is A.

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Detailed Solution

a) Lassaigne’s test is used to identify the elements N,S,P and halogensb) CuIIO is used to identify ‘Carbon’c) AgNO3 is used to identify halogen specificallyd) 2Na++S−2→Na2S→CH3COOHH2S→PbCH3COO2Pbs↓ (Black)

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Match List –I with List-II List-I List-II (a) Lassaigne’s test (i) Carbon (b) Cu(II) oxide (ii) Sulphur (c) Silver nitrate (iii) N,S,P and halogen (d) The sodium fusion extract (iv) Halogen specifically gives black precipitate with acetic acid and lead acetate The correct match is: